257499612

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{3313}}^1$

素因数の和:3467

約数の個数: 72

約数和(自身を含む): 694826496

約数和(自身を除く): 437326884

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 127, 153, 204, 254, 306, 381, 508, 612, 762, 1143, 1524, 2159, 2286, 3313, 4318, 4572, 6477, 6626, 8636, 9939, 12954, 13252, 19431, 19878, 25908, 29817, 38862, 39756, 56321, 59634, 77724, 112642, 119268, 168963, 225284, 337926, 420751, 506889, 675852, 841502, 1013778, 1262253, 1683004, 2027556, 2524506, 3786759, 5049012, 7152767, 7573518, 14305534, 15147036, 21458301, 28611068, 42916602, 64374903, 85833204, 128749806, 257499612]

約数ペア:

[(1, 257499612), (2, 128749806), (3, 85833204), (4, 64374903), (6, 42916602), (9, 28611068), (12, 21458301), (17, 15147036), (18, 14305534), (34, 7573518), (36, 7152767), (51, 5049012), (68, 3786759), (102, 2524506), (127, 2027556), (153, 1683004), (204, 1262253), (254, 1013778), (306, 841502), (381, 675852), (508, 506889), (612, 420751), (762, 337926), (1143, 225284), (1524, 168963), (2159, 119268), (2286, 112642), (3313, 77724), (4318, 59634), (4572, 56321), (6477, 39756), (6626, 38862), (8636, 29817), (9939, 25908), (12954, 19878), (13252, 19431)]