1388864302

素因数分解:

$2^1\times 7^1\times {\mathrm{401}}^1\times {\mathrm{247393}}^1$

素因数の和:247803

約数の個数: 16

約数和(自身を含む): 2386857312

約数和(自身を除く): 997993010

約数列:

[1, 2, 7, 14, 401, 802, 2807, 5614, 247393, 494786, 1731751, 3463502, 99204593, 198409186, 694432151, 1388864302]

約数ペア:

[(1, 1388864302), (2, 694432151), (7, 198409186), (14, 99204593), (401, 3463502), (802, 1731751), (2807, 494786), (5614, 247393)]