1399683985

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1378999}}^1$

素因数の和:1379040

約数の個数: 16

約数和(自身を含む): 1985760000

約数和(自身を除く): 586076015

約数列:

[1, 5, 7, 29, 35, 145, 203, 1015, 1378999, 6894995, 9652993, 39990971, 48264965, 199954855, 279936797, 1399683985]

約数ペア:

[(1, 1399683985), (5, 279936797), (7, 199954855), (29, 48264965), (35, 39990971), (145, 9652993), (203, 6894995), (1015, 1378999)]