278851138

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{199}}^1\times {\mathrm{233}}^1$

素因数の和:562

約数の個数: 32

約数和(自身を含む): 440294400

約数和(自身を除く): 161443262

約数列:

[1, 2, 31, 62, 97, 194, 199, 233, 398, 466, 3007, 6014, 6169, 7223, 12338, 14446, 19303, 22601, 38606, 45202, 46367, 92734, 598393, 700631, 1196786, 1401262, 1437377, 2874754, 4497599, 8995198, 139425569, 278851138]

約数ペア:

[(1, 278851138), (2, 139425569), (31, 8995198), (62, 4497599), (97, 2874754), (194, 1437377), (199, 1401262), (233, 1196786), (398, 700631), (466, 598393), (3007, 92734), (6014, 46367), (6169, 45202), (7223, 38606), (12338, 22601), (14446, 19303)]