805215764

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{419}}^1\times {\mathrm{11173}}^1$

素因数の和:11639

約数の個数: 24

約数和(自身を含む): 1445468640

約数和(自身を除く): 640252876

約数列:

[1, 2, 4, 43, 86, 172, 419, 838, 1676, 11173, 18017, 22346, 36034, 44692, 72068, 480439, 960878, 1921756, 4681487, 9362974, 18725948, 201303941, 402607882, 805215764]

約数ペア:

[(1, 805215764), (2, 402607882), (4, 201303941), (43, 18725948), (86, 9362974), (172, 4681487), (419, 1921756), (838, 960878), (1676, 480439), (11173, 72068), (18017, 44692), (22346, 36034)]