81955370

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{31643}}^1$

素因数の和:31694

約数の個数: 32

約数和(自身を含む): 173155968

約数和(自身を除く): 91200598

約数列:

[1, 2, 5, 7, 10, 14, 35, 37, 70, 74, 185, 259, 370, 518, 1295, 2590, 31643, 63286, 158215, 221501, 316430, 443002, 1107505, 1170791, 2215010, 2341582, 5853955, 8195537, 11707910, 16391074, 40977685, 81955370]

約数ペア:

[(1, 81955370), (2, 40977685), (5, 16391074), (7, 11707910), (10, 8195537), (14, 5853955), (35, 2341582), (37, 2215010), (70, 1170791), (74, 1107505), (185, 443002), (259, 316430), (370, 221501), (518, 158215), (1295, 63286), (2590, 31643)]