28291190

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{2441}}^1$

素因数の和:2528

約数の個数: 32

約数和(自身を含む): 54505440

約数和(自身を除く): 26214250

約数列:

[1, 2, 5, 10, 19, 38, 61, 95, 122, 190, 305, 610, 1159, 2318, 2441, 4882, 5795, 11590, 12205, 24410, 46379, 92758, 148901, 231895, 297802, 463790, 744505, 1489010, 2829119, 5658238, 14145595, 28291190]

約数ペア:

[(1, 28291190), (2, 14145595), (5, 5658238), (10, 2829119), (19, 1489010), (38, 744505), (61, 463790), (95, 297802), (122, 231895), (190, 148901), (305, 92758), (610, 46379), (1159, 24410), (2318, 12205), (2441, 11590), (4882, 5795)]