640524684

素因数分解:

$2^2\times 3^1\times {\mathrm{107}}^1\times {\mathrm{223}}^1\times {\mathrm{2237}}^1$

素因数の和:2574

約数の個数: 48

約数和(自身を含む): 1515967488

約数和(自身を除く): 875442804

約数列:

[1, 2, 3, 4, 6, 12, 107, 214, 223, 321, 428, 446, 642, 669, 892, 1284, 1338, 2237, 2676, 4474, 6711, 8948, 13422, 23861, 26844, 47722, 71583, 95444, 143166, 239359, 286332, 478718, 498851, 718077, 957436, 997702, 1436154, 1496553, 1995404, 2872308, 2993106, 5986212, 53377057, 106754114, 160131171, 213508228, 320262342, 640524684]

約数ペア:

[(1, 640524684), (2, 320262342), (3, 213508228), (4, 160131171), (6, 106754114), (12, 53377057), (107, 5986212), (214, 2993106), (223, 2872308), (321, 1995404), (428, 1496553), (446, 1436154), (642, 997702), (669, 957436), (892, 718077), (1284, 498851), (1338, 478718), (2237, 286332), (2676, 239359), (4474, 143166), (6711, 95444), (8948, 71583), (13422, 47722), (23861, 26844)]