199683407

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{3329}}^1$

素因数の和:3407

約数の個数: 32

約数和(自身を含む): 268531200

約数和(自身を除く): 68847793

約数列:

[1, 7, 11, 19, 41, 77, 133, 209, 287, 451, 779, 1463, 3157, 3329, 5453, 8569, 23303, 36619, 59983, 63251, 136489, 256333, 442757, 695761, 955423, 1501379, 2593291, 4870327, 10509653, 18153037, 28526201, 199683407]

約数ペア:

[(1, 199683407), (7, 28526201), (11, 18153037), (19, 10509653), (41, 4870327), (77, 2593291), (133, 1501379), (209, 955423), (287, 695761), (451, 442757), (779, 256333), (1463, 136489), (3157, 63251), (3329, 59983), (5453, 36619), (8569, 23303)]