256707906

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{470161}}^1$

素因数の和:470186

約数の個数: 32

約数和(自身を含む): 631897728

約数和(自身を除く): 375189822

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 182, 273, 546, 470161, 940322, 1410483, 2820966, 3291127, 6112093, 6582254, 9873381, 12224186, 18336279, 19746762, 36672558, 42784651, 85569302, 128353953, 256707906]

約数ペア:

[(1, 256707906), (2, 128353953), (3, 85569302), (6, 42784651), (7, 36672558), (13, 19746762), (14, 18336279), (21, 12224186), (26, 9873381), (39, 6582254), (42, 6112093), (78, 3291127), (91, 2820966), (182, 1410483), (273, 940322), (546, 470161)]