28206770

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{773}}^1$

素因数の和:910

約数の個数: 32

約数和(自身を含む): 52662960

約数和(自身を除く): 24456190

約数列:

[1, 2, 5, 10, 41, 82, 89, 178, 205, 410, 445, 773, 890, 1546, 3649, 3865, 7298, 7730, 18245, 31693, 36490, 63386, 68797, 137594, 158465, 316930, 343985, 687970, 2820677, 5641354, 14103385, 28206770]

約数ペア:

[(1, 28206770), (2, 14103385), (5, 5641354), (10, 2820677), (41, 687970), (82, 343985), (89, 316930), (178, 158465), (205, 137594), (410, 68797), (445, 63386), (773, 36490), (890, 31693), (1546, 18245), (3649, 7730), (3865, 7298)]