1661604

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{151}}^1$

素因数の和:296

約数の個数: 48

約数和(自身を含む): 4494336

約数和(自身を除く): 2832732

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 131, 151, 262, 302, 393, 453, 524, 604, 786, 906, 917, 1057, 1572, 1812, 1834, 2114, 2751, 3171, 3668, 4228, 5502, 6342, 11004, 12684, 19781, 39562, 59343, 79124, 118686, 138467, 237372, 276934, 415401, 553868, 830802, 1661604]

約数ペア:

[(1, 1661604), (2, 830802), (3, 553868), (4, 415401), (6, 276934), (7, 237372), (12, 138467), (14, 118686), (21, 79124), (28, 59343), (42, 39562), (84, 19781), (131, 12684), (151, 11004), (262, 6342), (302, 5502), (393, 4228), (453, 3668), (524, 3171), (604, 2751), (786, 2114), (906, 1834), (917, 1812), (1057, 1572)]