81502364

素因数分解:

$2^2\times {\mathrm{59}}^1\times {\mathrm{281}}^1\times {\mathrm{1229}}^1$

素因数の和:1573

約数の個数: 24

約数和(自身を含む): 145681200

約数和(自身を除く): 64178836

約数列:

[1, 2, 4, 59, 118, 236, 281, 562, 1124, 1229, 2458, 4916, 16579, 33158, 66316, 72511, 145022, 290044, 345349, 690698, 1381396, 20375591, 40751182, 81502364]

約数ペア:

[(1, 81502364), (2, 40751182), (4, 20375591), (59, 1381396), (118, 690698), (236, 345349), (281, 290044), (562, 145022), (1124, 72511), (1229, 66316), (2458, 33158), (4916, 16579)]