161738276

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{1583}}^1$

素因数の和:1724

約数の個数: 48

約数和(自身を含む): 335301120

約数和(自身を除く): 173562844

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 89, 164, 178, 287, 356, 574, 623, 1148, 1246, 1583, 2492, 3166, 3649, 6332, 7298, 11081, 14596, 22162, 25543, 44324, 51086, 64903, 102172, 129806, 140887, 259612, 281774, 454321, 563548, 908642, 986209, 1817284, 1972418, 3944836, 5776367, 11552734, 23105468, 40434569, 80869138, 161738276]

約数ペア:

[(1, 161738276), (2, 80869138), (4, 40434569), (7, 23105468), (14, 11552734), (28, 5776367), (41, 3944836), (82, 1972418), (89, 1817284), (164, 986209), (178, 908642), (287, 563548), (356, 454321), (574, 281774), (623, 259612), (1148, 140887), (1246, 129806), (1583, 102172), (2492, 64903), (3166, 51086), (3649, 44324), (6332, 25543), (7298, 22162), (11081, 14596)]