161718190

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{123449}}^1$

素因数の和:123587

約数の個数: 16

約数和(自身を含む): 293317200

約数和(自身を除く): 131599010

約数列:

[1, 2, 5, 10, 131, 262, 655, 1310, 123449, 246898, 617245, 1234490, 16171819, 32343638, 80859095, 161718190]

約数ペア:

[(1, 161718190), (2, 80859095), (5, 32343638), (10, 16171819), (131, 1234490), (262, 617245), (655, 246898), (1310, 123449)]