128122708

素因数分解:

$2^2\times 7^1\times {\mathrm{401}}^1\times {\mathrm{11411}}^1$

素因数の和:11823

約数の個数: 24

約数和(自身を含む): 256906944

約数和(自身を除く): 128784236

約数列:

[1, 2, 4, 7, 14, 28, 401, 802, 1604, 2807, 5614, 11228, 11411, 22822, 45644, 79877, 159754, 319508, 4575811, 9151622, 18303244, 32030677, 64061354, 128122708]

約数ペア:

[(1, 128122708), (2, 64061354), (4, 32030677), (7, 18303244), (14, 9151622), (28, 4575811), (401, 319508), (802, 159754), (1604, 79877), (2807, 45644), (5614, 22822), (11228, 11411)]