81664490

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{355063}}^1$

素因数の和:355093

約数の個数: 16

約数和(自身を含む): 153387648

約数和(自身を除く): 71723158

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 355063, 710126, 1775315, 3550630, 8166449, 16332898, 40832245, 81664490]

約数ペア:

[(1, 81664490), (2, 40832245), (5, 16332898), (10, 8166449), (23, 3550630), (46, 1775315), (115, 710126), (230, 355063)]