64807925

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{467}}^1$

素因数の和:558

約数の個数: 48

約数和(自身を含む): 100743552

約数和(自身を除く): 35935627

約数列:

[1, 5, 7, 13, 25, 35, 61, 65, 91, 175, 305, 325, 427, 455, 467, 793, 1525, 2135, 2275, 2335, 3269, 3965, 5551, 6071, 10675, 11675, 16345, 19825, 27755, 28487, 30355, 42497, 81725, 138775, 142435, 151775, 199409, 212485, 370331, 712175, 997045, 1062425, 1851655, 2592317, 4985225, 9258275, 12961585, 64807925]

約数ペア:

[(1, 64807925), (5, 12961585), (7, 9258275), (13, 4985225), (25, 2592317), (35, 1851655), (61, 1062425), (65, 997045), (91, 712175), (175, 370331), (305, 212485), (325, 199409), (427, 151775), (455, 142435), (467, 138775), (793, 81725), (1525, 42497), (2135, 30355), (2275, 28487), (2335, 27755), (3269, 19825), (3965, 16345), (5551, 11675), (6071, 10675)]