1387403770

素因数分解:

$2^1\times 5^1\times {\mathrm{16963}}^1\times {\mathrm{8179}}^1$

素因数の和:25149

約数の個数: 16

約数和(自身を含む): 2497779360

約数和(自身を除く): 1110375590

約数列:

[1, 2, 5, 10, 8179, 16358, 16963, 33926, 40895, 81790, 84815, 169630, 138740377, 277480754, 693701885, 1387403770]

約数ペア:

[(1, 1387403770), (2, 693701885), (5, 277480754), (10, 138740377), (8179, 169630), (16358, 84815), (16963, 81790), (33926, 40895)]