64480851

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1$

素因数の和:256

約数の個数: 48

約数和(自身を含む): 102435840

約数和(自身を除く): 37954989

約数列:

[1, 3, 9, 19, 47, 57, 71, 113, 141, 171, 213, 339, 423, 639, 893, 1017, 1349, 2147, 2679, 3337, 4047, 5311, 6441, 8023, 8037, 10011, 12141, 15933, 19323, 24069, 30033, 47799, 63403, 72207, 100909, 152437, 190209, 302727, 377081, 457311, 570627, 908181, 1131243, 1371933, 3393729, 7164539, 21493617, 64480851]

約数ペア:

[(1, 64480851), (3, 21493617), (9, 7164539), (19, 3393729), (47, 1371933), (57, 1131243), (71, 908181), (113, 570627), (141, 457311), (171, 377081), (213, 302727), (339, 190209), (423, 152437), (639, 100909), (893, 72207), (1017, 63403), (1349, 47799), (2147, 30033), (2679, 24069), (3337, 19323), (4047, 15933), (5311, 12141), (6441, 10011), (8023, 8037)]