2558045553

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1\times {\mathrm{12251}}^1$

素因数の和:12485

約数の個数: 32

約数和(自身を含む): 3986506752

約数和(自身を除く): 1428461199

約数列:

[1, 3, 7, 21, 61, 163, 183, 427, 489, 1141, 1281, 3423, 9943, 12251, 29829, 36753, 69601, 85757, 208803, 257271, 747311, 1996913, 2241933, 5231177, 5990739, 13978391, 15693531, 41935173, 121811693, 365435079, 852681851, 2558045553]

約数ペア:

[(1, 2558045553), (3, 852681851), (7, 365435079), (21, 121811693), (61, 41935173), (163, 15693531), (183, 13978391), (427, 5990739), (489, 5231177), (1141, 2241933), (1281, 1996913), (3423, 747311), (9943, 257271), (12251, 208803), (29829, 85757), (36753, 69601)]