1279739968

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{419}}^1\times {\mathrm{3671}}^1$

素因数の和:4115

約数の個数: 56

約数和(自身を含む): 2742102720

約数和(自身を除く): 1462362752

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 419, 832, 838, 1676, 3352, 3671, 5447, 6704, 7342, 10894, 13408, 14684, 21788, 26816, 29368, 43576, 47723, 58736, 87152, 95446, 117472, 174304, 190892, 234944, 348608, 381784, 763568, 1527136, 1538149, 3054272, 3076298, 6152596, 12305192, 19995937, 24610384, 39991874, 49220768, 79983748, 98441536, 159967496, 319934992, 639869984, 1279739968]

約数ペア:

[(1, 1279739968), (2, 639869984), (4, 319934992), (8, 159967496), (13, 98441536), (16, 79983748), (26, 49220768), (32, 39991874), (52, 24610384), (64, 19995937), (104, 12305192), (208, 6152596), (416, 3076298), (419, 3054272), (832, 1538149), (838, 1527136), (1676, 763568), (3352, 381784), (3671, 348608), (5447, 234944), (6704, 190892), (7342, 174304), (10894, 117472), (13408, 95446), (14684, 87152), (21788, 58736), (26816, 47723), (29368, 43576)]