28286890

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{947}}^1$

素因数の和:1086

約数の個数: 32

約数和(自身を含む): 53239680

約数和(自身を除く): 24952790

約数列:

[1, 2, 5, 10, 29, 58, 103, 145, 206, 290, 515, 947, 1030, 1894, 2987, 4735, 5974, 9470, 14935, 27463, 29870, 54926, 97541, 137315, 195082, 274630, 487705, 975410, 2828689, 5657378, 14143445, 28286890]

約数ペア:

[(1, 28286890), (2, 14143445), (5, 5657378), (10, 2828689), (29, 975410), (58, 487705), (103, 274630), (145, 195082), (206, 137315), (290, 97541), (515, 54926), (947, 29870), (1030, 27463), (1894, 14935), (2987, 9470), (4735, 5974)]