1988636

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{229}}^1$

素因数の和:413

約数の個数: 24

約数和(自身を含む): 3786720

約数和(自身を除く): 1798084

約数列:

[1, 2, 4, 13, 26, 52, 167, 229, 334, 458, 668, 916, 2171, 2977, 4342, 5954, 8684, 11908, 38243, 76486, 152972, 497159, 994318, 1988636]

約数ペア:

[(1, 1988636), (2, 994318), (4, 497159), (13, 152972), (26, 76486), (52, 38243), (167, 11908), (229, 8684), (334, 5954), (458, 4342), (668, 2977), (916, 2171)]