66608464

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{743}}^1$

素因数の和:1195

約数の個数: 40

約数和(自身を含む): 139491072

約数和(自身を除く): 72882608

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 431, 743, 862, 1486, 1724, 2972, 3448, 5603, 5944, 6896, 9659, 11206, 11888, 19318, 22412, 38636, 44824, 77272, 89648, 154544, 320233, 640466, 1280932, 2561864, 4163029, 5123728, 8326058, 16652116, 33304232, 66608464]

約数ペア:

[(1, 66608464), (2, 33304232), (4, 16652116), (8, 8326058), (13, 5123728), (16, 4163029), (26, 2561864), (52, 1280932), (104, 640466), (208, 320233), (431, 154544), (743, 89648), (862, 77272), (1486, 44824), (1724, 38636), (2972, 22412), (3448, 19318), (5603, 11888), (5944, 11206), (6896, 9659)]