221792974

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{107981}}^1$

素因数の和:108075

約数の個数: 16

約数和(自身を含む): 362819520

約数和(自身を除く): 141026546

約数列:

[1, 2, 13, 26, 79, 158, 1027, 2054, 107981, 215962, 1403753, 2807506, 8530499, 17060998, 110896487, 221792974]

約数ペア:

[(1, 221792974), (2, 110896487), (13, 17060998), (26, 8530499), (79, 2807506), (158, 1403753), (1027, 215962), (2054, 107981)]