1280278802

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{419}}^1\times {\mathrm{138889}}^1$

素因数の和:139321

約数の個数: 16

約数和(自身を含む): 2100016800

約数和(自身を除く): 819737998

約数列:

[1, 2, 11, 22, 419, 838, 4609, 9218, 138889, 277778, 1527779, 3055558, 58194491, 116388982, 640139401, 1280278802]

約数ペア:

[(1, 1280278802), (2, 640139401), (11, 116388982), (22, 58194491), (419, 3055558), (838, 1527779), (4609, 277778), (9218, 138889)]