638440296

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{7607}}^1$

素因数の和:7898

約数の個数: 64

約数和(自身を含む): 1725494400

約数和(自身を除く): 1087054104

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 269, 312, 538, 807, 1076, 1614, 2152, 3228, 3497, 6456, 6994, 7607, 10491, 13988, 15214, 20982, 22821, 27976, 30428, 41964, 45642, 60856, 83928, 91284, 98891, 182568, 197782, 296673, 395564, 593346, 791128, 1186692, 2046283, 2373384, 4092566, 6138849, 8185132, 12277698, 16370264, 24555396, 26601679, 49110792, 53203358, 79805037, 106406716, 159610074, 212813432, 319220148, 638440296]

約数ペア:

[(1, 638440296), (2, 319220148), (3, 212813432), (4, 159610074), (6, 106406716), (8, 79805037), (12, 53203358), (13, 49110792), (24, 26601679), (26, 24555396), (39, 16370264), (52, 12277698), (78, 8185132), (104, 6138849), (156, 4092566), (269, 2373384), (312, 2046283), (538, 1186692), (807, 791128), (1076, 593346), (1614, 395564), (2152, 296673), (3228, 197782), (3497, 182568), (6456, 98891), (6994, 91284), (7607, 83928), (10491, 60856), (13988, 45642), (15214, 41964), (20982, 30428), (22821, 27976)]