2178988

素因数分解:

$2^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{1319}}^1$

素因数の和:1389

約数の個数: 24

約数和(自身を含む): 4435200

約数和(自身を除く): 2256212

約数列:

[1, 2, 4, 7, 14, 28, 59, 118, 236, 413, 826, 1319, 1652, 2638, 5276, 9233, 18466, 36932, 77821, 155642, 311284, 544747, 1089494, 2178988]

約数ペア:

[(1, 2178988), (2, 1089494), (4, 544747), (7, 311284), (14, 155642), (28, 77821), (59, 36932), (118, 18466), (236, 9233), (413, 5276), (826, 2638), (1319, 1652)]