81843472

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{1051}}^1$

素因数の和:1247

約数の個数: 40

約数和(自身を含む): 164886272

約数和(自身を除く): 83042800

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 157, 248, 314, 496, 628, 1051, 1256, 2102, 2512, 4204, 4867, 8408, 9734, 16816, 19468, 32581, 38936, 65162, 77872, 130324, 165007, 260648, 330014, 521296, 660028, 1320056, 2640112, 5115217, 10230434, 20460868, 40921736, 81843472]

約数ペア:

[(1, 81843472), (2, 40921736), (4, 20460868), (8, 10230434), (16, 5115217), (31, 2640112), (62, 1320056), (124, 660028), (157, 521296), (248, 330014), (314, 260648), (496, 165007), (628, 130324), (1051, 77872), (1256, 65162), (2102, 38936), (2512, 32581), (4204, 19468), (4867, 16816), (8408, 9734)]