81421930

素因数分解:

$2^1\times 5^1\times {\mathrm{283}}^1\times {\mathrm{28771}}^1$

素因数の和:29061

約数の個数: 16

約数和(自身を含む): 147082464

約数和(自身を除く): 65660534

約数列:

[1, 2, 5, 10, 283, 566, 1415, 2830, 28771, 57542, 143855, 287710, 8142193, 16284386, 40710965, 81421930]

約数ペア:

[(1, 81421930), (2, 40710965), (5, 16284386), (10, 8142193), (283, 287710), (566, 143855), (1415, 57542), (2830, 28771)]