391974.0000000

素因数分解:

$2^4\times {\mathrm{13}}^3\times {\mathrm{283}}^1$

素因数の和:330

約数の個数: 40

約数和(自身を含む): 20953520

約数和(自身を除く): 11005504

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 169, 208, 283, 338, 566, 676, 1132, 1352, 2197, 2264, 2704, 3679, 4394, 4528, 7358, 8788, 14716, 17576, 29432, 35152, 47827, 58864, 95654, 191308, 382616, 621751, 765232, 1243502, 2487004, 4974008, 9948016]

約数ペア:

[(1, 9948016), (2, 4974008), (4, 2487004), (8, 1243502), (13, 765232), (16, 621751), (26, 382616), (52, 191308), (104, 95654), (169, 58864), (208, 47827), (283, 35152), (338, 29432), (566, 17576), (676, 14716), (1132, 8788), (1352, 7358), (2197, 4528), (2264, 4394), (2704, 3679)]