128779508

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{1511}}^1$

素因数の和:1688

約数の個数: 48

約数和(自身を含む): 266716800

約数和(自身を除く): 137937292

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 149, 286, 298, 572, 596, 1511, 1639, 1937, 3022, 3278, 3874, 6044, 6556, 7748, 16621, 19643, 21307, 33242, 39286, 42614, 66484, 78572, 85228, 216073, 225139, 432146, 450278, 864292, 900556, 2476529, 2926807, 4953058, 5853614, 9906116, 11707228, 32194877, 64389754, 128779508]

約数ペア:

[(1, 128779508), (2, 64389754), (4, 32194877), (11, 11707228), (13, 9906116), (22, 5853614), (26, 4953058), (44, 2926807), (52, 2476529), (143, 900556), (149, 864292), (286, 450278), (298, 432146), (572, 225139), (596, 216073), (1511, 85228), (1639, 78572), (1937, 66484), (3022, 42614), (3278, 39286), (3874, 33242), (6044, 21307), (6556, 19643), (7748, 16621)]