71722768

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{344821}}^1$

素因数の和:344842

約数の個数: 20

約数和(自身を含む): 149652748

約数和(自身を除く): 77929980

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 344821, 689642, 1379284, 2758568, 4482673, 5517136, 8965346, 17930692, 35861384, 71722768]

約数ペア:

[(1, 71722768), (2, 35861384), (4, 17930692), (8, 8965346), (13, 5517136), (16, 4482673), (26, 2758568), (52, 1379284), (104, 689642), (208, 344821)]