2178768670

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{379}}^1\times {\mathrm{44221}}^1$

素因数の和:44620

約数の個数: 32

約数和(自身を含む): 4234698720

約数和(自身を除く): 2055930050

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 379, 758, 1895, 3790, 4927, 9854, 24635, 44221, 49270, 88442, 221105, 442210, 574873, 1149746, 2874365, 5748730, 16759759, 33519518, 83798795, 167597590, 217876867, 435753734, 1089384335, 2178768670]

約数ペア:

[(1, 2178768670), (2, 1089384335), (5, 435753734), (10, 217876867), (13, 167597590), (26, 83798795), (65, 33519518), (130, 16759759), (379, 5748730), (758, 2874365), (1895, 1149746), (3790, 574873), (4927, 442210), (9854, 221105), (24635, 88442), (44221, 49270)]