2018678753

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{811}}^1\times {\mathrm{1609}}^1$

素因数の和:2457

約数の個数: 32

約数和(自身を含む): 2635557120

約数和(自身を除く): 616878367

約数列:

[1, 7, 13, 17, 91, 119, 221, 811, 1547, 1609, 5677, 10543, 11263, 13787, 20917, 27353, 73801, 96509, 146419, 179231, 191471, 355589, 1254617, 1304899, 2489123, 9134293, 16963687, 22183283, 118745809, 155282981, 288382679, 2018678753]

約数ペア:

[(1, 2018678753), (7, 288382679), (13, 155282981), (17, 118745809), (91, 22183283), (119, 16963687), (221, 9134293), (811, 2489123), (1547, 1304899), (1609, 1254617), (5677, 355589), (10543, 191471), (11263, 179231), (13787, 146419), (20917, 96509), (27353, 73801)]