257207004

素因数分解:

$2^2\times 3^2\times {\mathrm{101}}^1\times {\mathrm{127}}^1\times {\mathrm{557}}^1$

素因数の和:795

約数の個数: 72

約数和(自身を含む): 662957568

約数和(自身を除く): 405750564

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 101, 127, 202, 254, 303, 381, 404, 508, 557, 606, 762, 909, 1114, 1143, 1212, 1524, 1671, 1818, 2228, 2286, 3342, 3636, 4572, 5013, 6684, 10026, 12827, 20052, 25654, 38481, 51308, 56257, 70739, 76962, 112514, 115443, 141478, 153924, 168771, 212217, 225028, 230886, 282956, 337542, 424434, 461772, 506313, 636651, 675084, 848868, 1012626, 1273302, 2025252, 2546604, 7144639, 14289278, 21433917, 28578556, 42867834, 64301751, 85735668, 128603502, 257207004]

約数ペア:

[(1, 257207004), (2, 128603502), (3, 85735668), (4, 64301751), (6, 42867834), (9, 28578556), (12, 21433917), (18, 14289278), (36, 7144639), (101, 2546604), (127, 2025252), (202, 1273302), (254, 1012626), (303, 848868), (381, 675084), (404, 636651), (508, 506313), (557, 461772), (606, 424434), (762, 337542), (909, 282956), (1114, 230886), (1143, 225028), (1212, 212217), (1524, 168771), (1671, 153924), (1818, 141478), (2228, 115443), (2286, 112514), (3342, 76962), (3636, 70739), (4572, 56257), (5013, 51308), (6684, 38481), (10026, 25654), (12827, 20052)]