261363310

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1019}}^1\times {\mathrm{1973}}^1$

素因数の和:3012

約数の個数: 32

約数和(自身を含む): 507396960

約数和(自身を除く): 246033650

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 1019, 1973, 2038, 3946, 5095, 9865, 10190, 13247, 19730, 25649, 26494, 51298, 66235, 128245, 132470, 256490, 2010487, 4020974, 10052435, 20104870, 26136331, 52272662, 130681655, 261363310]

約数ペア:

[(1, 261363310), (2, 130681655), (5, 52272662), (10, 26136331), (13, 20104870), (26, 10052435), (65, 4020974), (130, 2010487), (1019, 256490), (1973, 132470), (2038, 128245), (3946, 66235), (5095, 51298), (9865, 26494), (10190, 25649), (13247, 19730)]