31376890

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{743}}^1$

素因数の和:894

約数の個数: 32

約数和(自身を含む): 58496256

約数和(自身を除く): 27119366

約数列:

[1, 2, 5, 10, 41, 82, 103, 205, 206, 410, 515, 743, 1030, 1486, 3715, 4223, 7430, 8446, 21115, 30463, 42230, 60926, 76529, 152315, 153058, 304630, 382645, 765290, 3137689, 6275378, 15688445, 31376890]

約数ペア:

[(1, 31376890), (2, 15688445), (5, 6275378), (10, 3137689), (41, 765290), (82, 382645), (103, 304630), (205, 153058), (206, 152315), (410, 76529), (515, 60926), (743, 42230), (1030, 30463), (1486, 21115), (3715, 8446), (4223, 7430)]