1398070

素因数分解:

$2^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{557}}^1$

素因数の和:815

約数の個数: 16

約数和(自身を含む): 2531088

約数和(自身を除く): 1133018

約数列:

[1, 2, 5, 10, 251, 502, 557, 1114, 1255, 2510, 2785, 5570, 139807, 279614, 699035, 1398070]

約数ペア:

[(1, 1398070), (2, 699035), (5, 279614), (10, 139807), (251, 5570), (502, 2785), (557, 2510), (1114, 1255)]