161681964

素因数分解:

$2^2\times 3^1\times {\mathrm{61}}^1\times {\mathrm{220877}}^1$

素因数の和:220945

約数の個数: 24

約数和(自身を含む): 383444208

約数和(自身を除く): 221762244

約数列:

[1, 2, 3, 4, 6, 12, 61, 122, 183, 244, 366, 732, 220877, 441754, 662631, 883508, 1325262, 2650524, 13473497, 26946994, 40420491, 53893988, 80840982, 161681964]

約数ペア:

[(1, 161681964), (2, 80840982), (3, 53893988), (4, 40420491), (6, 26946994), (12, 13473497), (61, 2650524), (122, 1325262), (183, 883508), (244, 662631), (366, 441754), (732, 220877)]