31238210

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{72647}}^1$

素因数の和:72697

約数の個数: 16

約数和(自身を含む): 57537216

約数和(自身を除く): 26299006

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 72647, 145294, 363235, 726470, 3123821, 6247642, 15619105, 31238210]

約数ペア:

[(1, 31238210), (2, 15619105), (5, 6247642), (10, 3123821), (43, 726470), (86, 363235), (215, 145294), (430, 72647)]