256541844

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{26959}}^1$

素因数の和:27040

約数の個数: 48

約数和(自身を含む): 655235840

約数和(自身を除く): 398693996

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 61, 78, 122, 156, 183, 244, 366, 732, 793, 1586, 2379, 3172, 4758, 9516, 26959, 53918, 80877, 107836, 161754, 323508, 350467, 700934, 1051401, 1401868, 1644499, 2102802, 3288998, 4205604, 4933497, 6577996, 9866994, 19733988, 21378487, 42756974, 64135461, 85513948, 128270922, 256541844]

約数ペア:

[(1, 256541844), (2, 128270922), (3, 85513948), (4, 64135461), (6, 42756974), (12, 21378487), (13, 19733988), (26, 9866994), (39, 6577996), (52, 4933497), (61, 4205604), (78, 3288998), (122, 2102802), (156, 1644499), (183, 1401868), (244, 1051401), (366, 700934), (732, 350467), (793, 323508), (1586, 161754), (2379, 107836), (3172, 80877), (4758, 53918), (9516, 26959)]