30990996

素因数分解:

$2^2\times 3^2\times {\mathrm{860861}}^1$

素因数の和:860871

約数の個数: 18

約数和(自身を含む): 78338442

約数和(自身を除く): 47347446

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 860861, 1721722, 2582583, 3443444, 5165166, 7747749, 10330332, 15495498, 30990996]

約数ペア:

[(1, 30990996), (2, 15495498), (3, 10330332), (4, 7747749), (6, 5165166), (9, 3443444), (12, 2582583), (18, 1721722), (36, 860861)]