12891805

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{1327}}^1$

素因数の和:1428

約数の個数: 16

約数和(自身を含む): 16254720

約数和(自身を除く): 3362915

約数列:

[1, 5, 29, 67, 145, 335, 1327, 1943, 6635, 9715, 38483, 88909, 192415, 444545, 2578361, 12891805]

約数ペア:

[(1, 12891805), (5, 2578361), (29, 444545), (67, 192415), (145, 88909), (335, 38483), (1327, 9715), (1943, 6635)]