856227964

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{991}}^1\times {\mathrm{3541}}^1$

素因数の和:4597

約数の個数: 24

約数和(自身を含む): 1524930176

約数和(自身を除く): 668702212

約数列:

[1, 2, 4, 61, 122, 244, 991, 1982, 3541, 3964, 7082, 14164, 60451, 120902, 216001, 241804, 432002, 864004, 3509131, 7018262, 14036524, 214056991, 428113982, 856227964]

約数ペア:

[(1, 856227964), (2, 428113982), (4, 214056991), (61, 14036524), (122, 7018262), (244, 3509131), (991, 864004), (1982, 432002), (3541, 241804), (3964, 216001), (7082, 120902), (14164, 60451)]