128230456

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{37}}^1\times {\mathrm{1499}}^1$

素因数の和:1576

約数の個数: 48

約数和(自身を含む): 262485000

約数和(自身を除く): 134254544

約数列:

[1, 2, 4, 8, 17, 34, 37, 68, 74, 136, 148, 289, 296, 578, 629, 1156, 1258, 1499, 2312, 2516, 2998, 5032, 5996, 10693, 11992, 21386, 25483, 42772, 50966, 55463, 85544, 101932, 110926, 203864, 221852, 433211, 443704, 866422, 942871, 1732844, 1885742, 3465688, 3771484, 7542968, 16028807, 32057614, 64115228, 128230456]

約数ペア:

[(1, 128230456), (2, 64115228), (4, 32057614), (8, 16028807), (17, 7542968), (34, 3771484), (37, 3465688), (68, 1885742), (74, 1732844), (136, 942871), (148, 866422), (289, 443704), (296, 433211), (578, 221852), (629, 203864), (1156, 110926), (1258, 101932), (1499, 85544), (2312, 55463), (2516, 50966), (2998, 42772), (5032, 25483), (5996, 21386), (10693, 11992)]