256856555501

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{1169747}}^1$

素因数の和:1169913

約数の個数: 32

約数和(自身を含む): 335390146560

約数和(自身を除く): 78533591059

約数列:

[1, 7, 13, 19, 91, 127, 133, 247, 889, 1651, 1729, 2413, 11557, 16891, 31369, 219583, 1169747, 8188229, 15206711, 22225193, 106446977, 148557869, 155576351, 288927509, 1039905083, 1931252297, 2022492563, 2822599511, 13518766079, 19758196577, 36693793643, 256856555501]

約数ペア:

[(1, 256856555501), (7, 36693793643), (13, 19758196577), (19, 13518766079), (91, 2822599511), (127, 2022492563), (133, 1931252297), (247, 1039905083), (889, 288927509), (1651, 155576351), (1729, 148557869), (2413, 106446977), (11557, 22225193), (16891, 15206711), (31369, 8188229), (219583, 1169747)]