71345456

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2579}}^1$

素因数の和:2626

約数の個数: 80

約数和(自身を含む): 179155200

約数和(自身を除く): 107809744

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 26, 28, 38, 52, 56, 76, 91, 104, 112, 133, 152, 182, 208, 247, 266, 304, 364, 494, 532, 728, 988, 1064, 1456, 1729, 1976, 2128, 2579, 3458, 3952, 5158, 6916, 10316, 13832, 18053, 20632, 27664, 33527, 36106, 41264, 49001, 67054, 72212, 98002, 134108, 144424, 196004, 234689, 268216, 288848, 343007, 392008, 469378, 536432, 637013, 686014, 784016, 938756, 1274026, 1372028, 1877512, 2548052, 2744056, 3755024, 4459091, 5096104, 5488112, 8918182, 10192208, 17836364, 35672728, 71345456]

約数ペア:

[(1, 71345456), (2, 35672728), (4, 17836364), (7, 10192208), (8, 8918182), (13, 5488112), (14, 5096104), (16, 4459091), (19, 3755024), (26, 2744056), (28, 2548052), (38, 1877512), (52, 1372028), (56, 1274026), (76, 938756), (91, 784016), (104, 686014), (112, 637013), (133, 536432), (152, 469378), (182, 392008), (208, 343007), (247, 288848), (266, 268216), (304, 234689), (364, 196004), (494, 144424), (532, 134108), (728, 98002), (988, 72212), (1064, 67054), (1456, 49001), (1729, 41264), (1976, 36106), (2128, 33527), (2579, 27664), (3458, 20632), (3952, 18053), (5158, 13832), (6916, 10316)]