28188290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{7477}}^1$

素因数の和:7526

約数の個数: 32

約数和(自身を含む): 56533680

約数和(自身を除く): 28345390

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 290, 377, 754, 1885, 3770, 7477, 14954, 37385, 74770, 97201, 194402, 216833, 433666, 486005, 972010, 1084165, 2168330, 2818829, 5637658, 14094145, 28188290]

約数ペア:

[(1, 28188290), (2, 14094145), (5, 5637658), (10, 2818829), (13, 2168330), (26, 1084165), (29, 972010), (58, 486005), (65, 433666), (130, 216833), (145, 194402), (290, 97201), (377, 74770), (754, 37385), (1885, 14954), (3770, 7477)]