28478124

素因数分解:

$2^2\times 3^2\times {\mathrm{421}}^1\times {\mathrm{1879}}^1$

素因数の和:2310

約数の個数: 36

約数和(自身を含む): 72195760

約数和(自身を除く): 43717636

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 421, 842, 1263, 1684, 1879, 2526, 3758, 3789, 5052, 5637, 7516, 7578, 11274, 15156, 16911, 22548, 33822, 67644, 791059, 1582118, 2373177, 3164236, 4746354, 7119531, 9492708, 14239062, 28478124]

約数ペア:

[(1, 28478124), (2, 14239062), (3, 9492708), (4, 7119531), (6, 4746354), (9, 3164236), (12, 2373177), (18, 1582118), (36, 791059), (421, 67644), (842, 33822), (1263, 22548), (1684, 16911), (1879, 15156), (2526, 11274), (3758, 7578), (3789, 7516), (5052, 5637)]