1386863312

素因数分解:

$2^4\times {\mathrm{401}}^1\times {\mathrm{216157}}^1$

素因数の和:216566

約数の個数: 20

約数和(自身を含む): 2693760996

約数和(自身を除く): 1306897684

約数列:

[1, 2, 4, 8, 16, 401, 802, 1604, 3208, 6416, 216157, 432314, 864628, 1729256, 3458512, 86678957, 173357914, 346715828, 693431656, 1386863312]

約数ペア:

[(1, 1386863312), (2, 693431656), (4, 346715828), (8, 173357914), (16, 86678957), (401, 3458512), (802, 1729256), (1604, 864628), (3208, 432314), (6416, 216157)]