488977388

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{97}}^1\times {\mathrm{3491}}^1$

素因数の和:3630

約数の個数: 36

約数和(自身を含む): 912690072

約数和(自身を除く): 423712684

約数列:

[1, 2, 4, 19, 38, 76, 97, 194, 361, 388, 722, 1444, 1843, 3491, 3686, 6982, 7372, 13964, 35017, 66329, 70034, 132658, 140068, 265316, 338627, 677254, 1260251, 1354508, 2520502, 5041004, 6433913, 12867826, 25735652, 122244347, 244488694, 488977388]

約数ペア:

[(1, 488977388), (2, 244488694), (4, 122244347), (19, 25735652), (38, 12867826), (76, 6433913), (97, 5041004), (194, 2520502), (361, 1354508), (388, 1260251), (722, 677254), (1444, 338627), (1843, 265316), (3491, 140068), (3686, 132658), (6982, 70034), (7372, 66329), (13964, 35017)]