256852204908

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{211}}^1\times {\mathrm{16223}}^1$

素因数の和:16504

約数の個数: 144

約数和(自身を含む): 669709587456

約数和(自身を除く): 412857382548

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 37, 39, 52, 74, 78, 111, 148, 156, 169, 211, 222, 338, 422, 444, 481, 507, 633, 676, 844, 962, 1014, 1266, 1443, 1924, 2028, 2532, 2743, 2886, 5486, 5772, 6253, 7807, 8229, 10972, 12506, 15614, 16223, 16458, 18759, 23421, 25012, 31228, 32446, 32916, 35659, 37518, 46842, 48669, 64892, 71318, 75036, 93684, 97338, 101491, 106977, 142636, 194676, 202982, 210899, 213954, 304473, 405964, 421798, 427908, 600251, 608946, 632697, 843596, 1200502, 1217892, 1265394, 1319383, 1800753, 2401004, 2530788, 2638766, 2741687, 3423053, 3601506, 3958149, 5277532, 5483374, 6846106, 7203012, 7803263, 7916298, 8225061, 10269159, 10966748, 13692212, 15606526, 15832596, 16450122, 20538318, 23409789, 31213052, 32900244, 41076636, 44499689, 46819578, 88999378, 93639156, 101442419, 126652961, 133499067, 177998756, 202884838, 253305922, 266998134, 304327257, 379958883, 405769676, 506611844, 533996268, 578495957, 608654514, 759917766, 1156991914, 1217309028, 1519835532, 1646488493, 1735487871, 2313983828, 3292976986, 3470975742, 4939465479, 6585953972, 6941951484, 9878930958, 19757861916, 21404350409, 42808700818, 64213051227, 85617401636, 128426102454, 256852204908]

約数ペア:

[(1, 256852204908), (2, 128426102454), (3, 85617401636), (4, 64213051227), (6, 42808700818), (12, 21404350409), (13, 19757861916), (26, 9878930958), (37, 6941951484), (39, 6585953972), (52, 4939465479), (74, 3470975742), (78, 3292976986), (111, 2313983828), (148, 1735487871), (156, 1646488493), (169, 1519835532), (211, 1217309028), (222, 1156991914), (338, 759917766), (422, 608654514), (444, 578495957), (481, 533996268), (507, 506611844), (633, 405769676), (676, 379958883), (844, 304327257), (962, 266998134), (1014, 253305922), (1266, 202884838), (1443, 177998756), (1924, 133499067), (2028, 126652961), (2532, 101442419), (2743, 93639156), (2886, 88999378), (5486, 46819578), (5772, 44499689), (6253, 41076636), (7807, 32900244), (8229, 31213052), (10972, 23409789), (12506, 20538318), (15614, 16450122), (16223, 15832596), (16458, 15606526), (18759, 13692212), (23421, 10966748), (25012, 10269159), (31228, 8225061), (32446, 7916298), (32916, 7803263), (35659, 7203012), (37518, 6846106), (46842, 5483374), (48669, 5277532), (64892, 3958149), (71318, 3601506), (75036, 3423053), (93684, 2741687), (97338, 2638766), (101491, 2530788), (106977, 2401004), (142636, 1800753), (194676, 1319383), (202982, 1265394), (210899, 1217892), (213954, 1200502), (304473, 843596), (405964, 632697), (421798, 608946), (427908, 600251)]