90381964

素因数分解:

$2^2\times {\mathrm{191}}^1\times {\mathrm{281}}^1\times {\mathrm{421}}^1$

素因数の和:897

約数の個数: 24

約数和(自身を含む): 159941376

約数和(自身を除く): 69559412

約数列:

[1, 2, 4, 191, 281, 382, 421, 562, 764, 842, 1124, 1684, 53671, 80411, 107342, 118301, 160822, 214684, 236602, 321644, 473204, 22595491, 45190982, 90381964]

約数ペア:

[(1, 90381964), (2, 45190982), (4, 22595491), (191, 473204), (281, 321644), (382, 236602), (421, 214684), (562, 160822), (764, 118301), (842, 107342), (1124, 80411), (1684, 53671)]