81088904

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{1621}}^1$

素因数の和:1690

約数の個数: 48

約数和(自身を含む): 169190820

約数和(自身を除く): 88101916

約数列:

[1, 2, 4, 8, 13, 26, 37, 52, 74, 104, 148, 169, 296, 338, 481, 676, 962, 1352, 1621, 1924, 3242, 3848, 6253, 6484, 12506, 12968, 21073, 25012, 42146, 50024, 59977, 84292, 119954, 168584, 239908, 273949, 479816, 547898, 779701, 1095796, 1559402, 2191592, 3118804, 6237608, 10136113, 20272226, 40544452, 81088904]

約数ペア:

[(1, 81088904), (2, 40544452), (4, 20272226), (8, 10136113), (13, 6237608), (26, 3118804), (37, 2191592), (52, 1559402), (74, 1095796), (104, 779701), (148, 547898), (169, 479816), (296, 273949), (338, 239908), (481, 168584), (676, 119954), (962, 84292), (1352, 59977), (1621, 50024), (1924, 42146), (3242, 25012), (3848, 21073), (6253, 12968), (6484, 12506)]