256991028

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{20533}}^1$

素因数の和:20696

約数の個数: 48

約数和(自身を含む): 689942400

約数和(自身を除く): 432951372

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 149, 298, 447, 596, 894, 1043, 1788, 2086, 3129, 4172, 6258, 12516, 20533, 41066, 61599, 82132, 123198, 143731, 246396, 287462, 431193, 574924, 862386, 1724772, 3059417, 6118834, 9178251, 12237668, 18356502, 21415919, 36713004, 42831838, 64247757, 85663676, 128495514, 256991028]

約数ペア:

[(1, 256991028), (2, 128495514), (3, 85663676), (4, 64247757), (6, 42831838), (7, 36713004), (12, 21415919), (14, 18356502), (21, 12237668), (28, 9178251), (42, 6118834), (84, 3059417), (149, 1724772), (298, 862386), (447, 574924), (596, 431193), (894, 287462), (1043, 246396), (1788, 143731), (2086, 123198), (3129, 82132), (4172, 61599), (6258, 41066), (12516, 20533)]