15661268

素因数分解:

$2^2\times 7^1\times {\mathrm{313}}^1\times {\mathrm{1787}}^1$

素因数の和:2111

約数の個数: 24

約数和(自身を含む): 31440192

約数和(自身を除く): 15778924

約数列:

[1, 2, 4, 7, 14, 28, 313, 626, 1252, 1787, 2191, 3574, 4382, 7148, 8764, 12509, 25018, 50036, 559331, 1118662, 2237324, 3915317, 7830634, 15661268]

約数ペア:

[(1, 15661268), (2, 7830634), (4, 3915317), (7, 2237324), (14, 1118662), (28, 559331), (313, 50036), (626, 25018), (1252, 12509), (1787, 8764), (2191, 7148), (3574, 4382)]