257918616

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^2\times {\mathrm{9923}}^1$

素因数の和:9973

約数の個数: 72

約数和(自身を含む): 737303580

約数和(自身を除く): 479384964

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 57, 72, 76, 114, 152, 171, 228, 342, 361, 456, 684, 722, 1083, 1368, 1444, 2166, 2888, 3249, 4332, 6498, 8664, 9923, 12996, 19846, 25992, 29769, 39692, 59538, 79384, 89307, 119076, 178614, 188537, 238152, 357228, 377074, 565611, 714456, 754148, 1131222, 1508296, 1696833, 2262444, 3393666, 3582203, 4524888, 6787332, 7164406, 10746609, 13574664, 14328812, 21493218, 28657624, 32239827, 42986436, 64479654, 85972872, 128959308, 257918616]

約数ペア:

[(1, 257918616), (2, 128959308), (3, 85972872), (4, 64479654), (6, 42986436), (8, 32239827), (9, 28657624), (12, 21493218), (18, 14328812), (19, 13574664), (24, 10746609), (36, 7164406), (38, 6787332), (57, 4524888), (72, 3582203), (76, 3393666), (114, 2262444), (152, 1696833), (171, 1508296), (228, 1131222), (342, 754148), (361, 714456), (456, 565611), (684, 377074), (722, 357228), (1083, 238152), (1368, 188537), (1444, 178614), (2166, 119076), (2888, 89307), (3249, 79384), (4332, 59538), (6498, 39692), (8664, 29769), (9923, 25992), (12996, 19846)]