3895968245

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{977}}^1\times {\mathrm{1979}}^1$

素因数の和:3005

約数の個数: 32

約数和(自身を含む): 5205150720

約数和(自身を除く): 1309182475

約数列:

[1, 5, 13, 31, 65, 155, 403, 977, 1979, 2015, 4885, 9895, 12701, 25727, 30287, 61349, 63505, 128635, 151435, 306745, 393731, 797537, 1933483, 1968655, 3987685, 9667415, 25135279, 59937973, 125676395, 299689865, 779193649, 3895968245]

約数ペア:

[(1, 3895968245), (5, 779193649), (13, 299689865), (31, 125676395), (65, 59937973), (155, 25135279), (403, 9667415), (977, 3987685), (1979, 1968655), (2015, 1933483), (4885, 797537), (9895, 393731), (12701, 306745), (25727, 151435), (30287, 128635), (61349, 63505)]