25503212

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{239}}^1$

素因数の和:390

約数の個数: 48

約数和(自身を含む): 53114880

約数和(自身を除く): 27611668

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 103, 148, 206, 239, 259, 412, 478, 518, 721, 956, 1036, 1442, 1673, 2884, 3346, 3811, 6692, 7622, 8843, 15244, 17686, 24617, 26677, 35372, 49234, 53354, 61901, 98468, 106708, 123802, 172319, 247604, 344638, 689276, 910829, 1821658, 3643316, 6375803, 12751606, 25503212]

約数ペア:

[(1, 25503212), (2, 12751606), (4, 6375803), (7, 3643316), (14, 1821658), (28, 910829), (37, 689276), (74, 344638), (103, 247604), (148, 172319), (206, 123802), (239, 106708), (259, 98468), (412, 61901), (478, 53354), (518, 49234), (721, 35372), (956, 26677), (1036, 24617), (1442, 17686), (1673, 15244), (2884, 8843), (3346, 7622), (3811, 6692)]