891255728

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{25447}}^1$

素因数の和:25665

約数の個数: 40

約数和(自身を含む): 1893331200

約数和(自身を除く): 1002075472

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 199, 398, 796, 1592, 2189, 3184, 4378, 8756, 17512, 25447, 35024, 50894, 101788, 203576, 279917, 407152, 559834, 1119668, 2239336, 4478672, 5063953, 10127906, 20255812, 40511624, 55703483, 81023248, 111406966, 222813932, 445627864, 891255728]

約数ペア:

[(1, 891255728), (2, 445627864), (4, 222813932), (8, 111406966), (11, 81023248), (16, 55703483), (22, 40511624), (44, 20255812), (88, 10127906), (176, 5063953), (199, 4478672), (398, 2239336), (796, 1119668), (1592, 559834), (2189, 407152), (3184, 279917), (4378, 203576), (8756, 101788), (17512, 50894), (25447, 35024)]