71271890

素因数分解:

$2^1\times 5^1\times {\mathrm{2221}}^1\times {\mathrm{3209}}^1$

素因数の和:5437

約数の個数: 16

約数和(自身を含む): 128387160

約数和(自身を除く): 57115270

約数列:

[1, 2, 5, 10, 2221, 3209, 4442, 6418, 11105, 16045, 22210, 32090, 7127189, 14254378, 35635945, 71271890]

約数ペア:

[(1, 71271890), (2, 35635945), (5, 14254378), (10, 7127189), (2221, 32090), (3209, 22210), (4442, 16045), (6418, 11105)]