7638428

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1$

素因数の和:222

約数の個数: 48

約数和(自身を含む): 16062144

約数和(自身を除く): 8423716

約数列:

[1, 2, 4, 7, 14, 28, 37, 73, 74, 101, 146, 148, 202, 259, 292, 404, 511, 518, 707, 1022, 1036, 1414, 2044, 2701, 2828, 3737, 5402, 7373, 7474, 10804, 14746, 14948, 18907, 26159, 29492, 37814, 51611, 52318, 75628, 103222, 104636, 206444, 272801, 545602, 1091204, 1909607, 3819214, 7638428]

約数ペア:

[(1, 7638428), (2, 3819214), (4, 1909607), (7, 1091204), (14, 545602), (28, 272801), (37, 206444), (73, 104636), (74, 103222), (101, 75628), (146, 52318), (148, 51611), (202, 37814), (259, 29492), (292, 26159), (404, 18907), (511, 14948), (518, 14746), (707, 10804), (1022, 7474), (1036, 7373), (1414, 5402), (2044, 3737), (2701, 2828)]