221433992

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{68683}}^1$

素因数の和:68733

約数の個数: 32

約数和(自身を含む): 461556480

約数和(自身を除く): 240122488

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 248, 403, 806, 1612, 3224, 68683, 137366, 274732, 549464, 892879, 1785758, 2129173, 3571516, 4258346, 7143032, 8516692, 17033384, 27679249, 55358498, 110716996, 221433992]

約数ペア:

[(1, 221433992), (2, 110716996), (4, 55358498), (8, 27679249), (13, 17033384), (26, 8516692), (31, 7143032), (52, 4258346), (62, 3571516), (104, 2129173), (124, 1785758), (248, 892879), (403, 549464), (806, 274732), (1612, 137366), (3224, 68683)]