156965390

素因数分解:

$2^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{40351}}^1$

素因数の和:40747

約数の個数: 16

約数和(自身を含む): 283271040

約数和(自身を除く): 126305650

約数列:

[1, 2, 5, 10, 389, 778, 1945, 3890, 40351, 80702, 201755, 403510, 15696539, 31393078, 78482695, 156965390]

約数ペア:

[(1, 156965390), (2, 78482695), (5, 31393078), (10, 15696539), (389, 403510), (778, 201755), (1945, 80702), (3890, 40351)]