261639145

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{13151}}^1$

素因数の和:13352

約数の個数: 16

約数和(自身を含む): 329536512

約数和(自身を除く): 67897367

約数列:

[1, 5, 23, 115, 173, 865, 3979, 13151, 19895, 65755, 302473, 1512365, 2275123, 11375615, 52327829, 261639145]

約数ペア:

[(1, 261639145), (5, 52327829), (23, 11375615), (115, 2275123), (173, 1512365), (865, 302473), (3979, 65755), (13151, 19895)]