28150190

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{68659}}^1$

素因数の和:68707

約数の個数: 16

約数和(自身を含む): 51906960

約数和(自身を除く): 23756770

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 68659, 137318, 343295, 686590, 2815019, 5630038, 14075095, 28150190]

約数ペア:

[(1, 28150190), (2, 14075095), (5, 5630038), (10, 2815019), (41, 686590), (82, 343295), (205, 137318), (410, 68659)]