25805428

素因数分解:

$2^2\times {\mathrm{11}}^3\times {\mathrm{37}}^1\times {\mathrm{131}}^1$

素因数の和:205

約数の個数: 48

約数和(自身を含む): 51403968

約数和(自身を除く): 25598540

約数列:

[1, 2, 4, 11, 22, 37, 44, 74, 121, 131, 148, 242, 262, 407, 484, 524, 814, 1331, 1441, 1628, 2662, 2882, 4477, 4847, 5324, 5764, 8954, 9694, 15851, 17908, 19388, 31702, 49247, 53317, 63404, 98494, 106634, 174361, 196988, 213268, 348722, 586487, 697444, 1172974, 2345948, 6451357, 12902714, 25805428]

約数ペア:

[(1, 25805428), (2, 12902714), (4, 6451357), (11, 2345948), (22, 1172974), (37, 697444), (44, 586487), (74, 348722), (121, 213268), (131, 196988), (148, 174361), (242, 106634), (262, 98494), (407, 63404), (484, 53317), (524, 49247), (814, 31702), (1331, 19388), (1441, 17908), (1628, 15851), (2662, 9694), (2882, 8954), (4477, 5764), (4847, 5324)]