211289728

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1$

素因数の和:250

約数の個数: 128

約数和(自身を含む): 491803200

約数和(自身を除く): 280513472

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 41, 52, 64, 76, 82, 104, 128, 152, 163, 164, 208, 247, 304, 326, 328, 416, 494, 533, 608, 652, 656, 779, 832, 988, 1066, 1216, 1304, 1312, 1558, 1664, 1976, 2119, 2132, 2432, 2608, 2624, 3097, 3116, 3952, 4238, 4264, 5216, 5248, 6194, 6232, 6683, 7904, 8476, 8528, 10127, 10432, 12388, 12464, 13366, 15808, 16952, 17056, 20254, 20864, 24776, 24928, 26732, 31616, 33904, 34112, 40261, 40508, 49552, 49856, 53464, 67808, 68224, 80522, 81016, 86879, 99104, 99712, 106928, 126977, 135616, 161044, 162032, 173758, 198208, 213856, 253954, 271232, 322088, 324064, 347516, 396416, 427712, 507908, 644176, 648128, 695032, 855424, 1015816, 1288352, 1296256, 1390064, 1650701, 2031632, 2576704, 2780128, 3301402, 4063264, 5153408, 5560256, 6602804, 8126528, 11120512, 13205608, 16253056, 26411216, 52822432, 105644864, 211289728]

約数ペア:

[(1, 211289728), (2, 105644864), (4, 52822432), (8, 26411216), (13, 16253056), (16, 13205608), (19, 11120512), (26, 8126528), (32, 6602804), (38, 5560256), (41, 5153408), (52, 4063264), (64, 3301402), (76, 2780128), (82, 2576704), (104, 2031632), (128, 1650701), (152, 1390064), (163, 1296256), (164, 1288352), (208, 1015816), (247, 855424), (304, 695032), (326, 648128), (328, 644176), (416, 507908), (494, 427712), (533, 396416), (608, 347516), (652, 324064), (656, 322088), (779, 271232), (832, 253954), (988, 213856), (1066, 198208), (1216, 173758), (1304, 162032), (1312, 161044), (1558, 135616), (1664, 126977), (1976, 106928), (2119, 99712), (2132, 99104), (2432, 86879), (2608, 81016), (2624, 80522), (3097, 68224), (3116, 67808), (3952, 53464), (4238, 49856), (4264, 49552), (5216, 40508), (5248, 40261), (6194, 34112), (6232, 33904), (6683, 31616), (7904, 26732), (8476, 24928), (8528, 24776), (10127, 20864), (10432, 20254), (12388, 17056), (12464, 16952), (13366, 15808)]