15921304

素因数分解:

$2^3\times 7^1\times {\mathrm{401}}^1\times {\mathrm{709}}^1$

素因数の和:1123

約数の個数: 32

約数和(自身を含む): 34250400

約数和(自身を除く): 18329096

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 401, 709, 802, 1418, 1604, 2807, 2836, 3208, 4963, 5614, 5672, 9926, 11228, 19852, 22456, 39704, 284309, 568618, 1137236, 1990163, 2274472, 3980326, 7960652, 15921304]

約数ペア:

[(1, 15921304), (2, 7960652), (4, 3980326), (7, 2274472), (8, 1990163), (14, 1137236), (28, 568618), (56, 284309), (401, 39704), (709, 22456), (802, 19852), (1418, 11228), (1604, 9926), (2807, 5672), (2836, 5614), (3208, 4963)]