220461241

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{431}}^1$

素因数の和:542

約数の個数: 48

約数和(自身を含む): 306125568

約数和(自身を除く): 85664327

約数列:

[1, 7, 11, 13, 49, 73, 77, 91, 143, 431, 511, 539, 637, 803, 949, 1001, 3017, 3577, 4741, 5603, 5621, 6643, 7007, 10439, 21119, 31463, 33187, 39221, 39347, 46501, 61633, 73073, 220241, 232309, 274547, 346093, 409019, 431431, 511511, 1541687, 2422651, 2863133, 3020017, 4499209, 16958557, 20041931, 31494463, 220461241]

約数ペア:

[(1, 220461241), (7, 31494463), (11, 20041931), (13, 16958557), (49, 4499209), (73, 3020017), (77, 2863133), (91, 2422651), (143, 1541687), (431, 511511), (511, 431431), (539, 409019), (637, 346093), (803, 274547), (949, 232309), (1001, 220241), (3017, 73073), (3577, 61633), (4741, 46501), (5603, 39347), (5621, 39221), (6643, 33187), (7007, 31463), (10439, 21119)]