401334773

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{571}}^1$

素因数の和:729

約数の個数: 32

約数和(自身を含む): 492011520

約数和(自身を除く): 90676747

約数列:

[1, 7, 31, 41, 79, 217, 287, 553, 571, 1271, 2449, 3239, 3997, 8897, 17143, 17701, 22673, 23411, 45109, 100409, 123907, 163877, 315763, 702863, 725741, 1398379, 1849469, 5080187, 9788653, 12946283, 57333539, 401334773]

約数ペア:

[(1, 401334773), (7, 57333539), (31, 12946283), (41, 9788653), (79, 5080187), (217, 1849469), (287, 1398379), (553, 725741), (571, 702863), (1271, 315763), (2449, 163877), (3239, 123907), (3997, 100409), (8897, 45109), (17143, 23411), (17701, 22673)]