2811445

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{167}}^1$

素因数の和:229

約数の個数: 32

約数和(自身を含む): 4290048

約数和(自身を除く): 1478603

約数列:

[1, 5, 7, 13, 35, 37, 65, 91, 167, 185, 259, 455, 481, 835, 1169, 1295, 2171, 2405, 3367, 5845, 6179, 10855, 15197, 16835, 30895, 43253, 75985, 80327, 216265, 401635, 562289, 2811445]

約数ペア:

[(1, 2811445), (5, 562289), (7, 401635), (13, 216265), (35, 80327), (37, 75985), (65, 43253), (91, 30895), (167, 16835), (185, 15197), (259, 10855), (455, 6179), (481, 5845), (835, 3367), (1169, 2405), (1295, 2171)]