8631890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{251}}^1$

素因数の和:458

約数の個数: 32

約数和(自身を含む): 16511040

約数和(自身を除く): 7879150

約数列:

[1, 2, 5, 10, 19, 38, 95, 181, 190, 251, 362, 502, 905, 1255, 1810, 2510, 3439, 4769, 6878, 9538, 17195, 23845, 34390, 45431, 47690, 90862, 227155, 454310, 863189, 1726378, 4315945, 8631890]

約数ペア:

[(1, 8631890), (2, 4315945), (5, 1726378), (10, 863189), (19, 454310), (38, 227155), (95, 90862), (181, 47690), (190, 45431), (251, 34390), (362, 23845), (502, 17195), (905, 9538), (1255, 6878), (1810, 4769), (2510, 3439)]