991790

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^2\times {\mathrm{59}}^1$

素因数の和:148

約数の個数: 24

約数和(自身を含む): 1860840

約数和(自身を除く): 869050

約数列:

[1, 2, 5, 10, 41, 59, 82, 118, 205, 295, 410, 590, 1681, 2419, 3362, 4838, 8405, 12095, 16810, 24190, 99179, 198358, 495895, 991790]

約数ペア:

[(1, 991790), (2, 495895), (5, 198358), (10, 99179), (41, 24190), (59, 16810), (82, 12095), (118, 8405), (205, 4838), (295, 3362), (410, 2419), (590, 1681)]