858451990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{863}}^1\times {\mathrm{9043}}^1$

素因数の和:9924

約数の個数: 32

約数和(自身を含む): 1687827456

約数和(自身を除く): 829375466

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 863, 1726, 4315, 8630, 9043, 9493, 18086, 18986, 45215, 47465, 90430, 94930, 99473, 198946, 497365, 994730, 7804109, 15608218, 39020545, 78041090, 85845199, 171690398, 429225995, 858451990]

約数ペア:

[(1, 858451990), (2, 429225995), (5, 171690398), (10, 85845199), (11, 78041090), (22, 39020545), (55, 15608218), (110, 7804109), (863, 994730), (1726, 497365), (4315, 198946), (8630, 99473), (9043, 94930), (9493, 90430), (18086, 47465), (18986, 45215)]