128860986

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{491}}^1$

素因数の和:627

約数の個数: 64

約数和(自身を含む): 285659136

約数和(自身を除く): 156798150

約数列:

[1, 2, 3, 6, 17, 31, 34, 51, 62, 83, 93, 102, 166, 186, 249, 491, 498, 527, 982, 1054, 1411, 1473, 1581, 2573, 2822, 2946, 3162, 4233, 5146, 7719, 8347, 8466, 15221, 15438, 16694, 25041, 30442, 40753, 43741, 45663, 50082, 81506, 87482, 91326, 122259, 131223, 244518, 258757, 262446, 517514, 692801, 776271, 1263343, 1385602, 1552542, 2078403, 2526686, 3790029, 4156806, 7580058, 21476831, 42953662, 64430493, 128860986]

約数ペア:

[(1, 128860986), (2, 64430493), (3, 42953662), (6, 21476831), (17, 7580058), (31, 4156806), (34, 3790029), (51, 2526686), (62, 2078403), (83, 1552542), (93, 1385602), (102, 1263343), (166, 776271), (186, 692801), (249, 517514), (491, 262446), (498, 258757), (527, 244518), (982, 131223), (1054, 122259), (1411, 91326), (1473, 87482), (1581, 81506), (2573, 50082), (2822, 45663), (2946, 43741), (3162, 40753), (4233, 30442), (5146, 25041), (7719, 16694), (8347, 15438), (8466, 15221)]