247149578

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{149}}^1\times {\mathrm{487}}^1$

素因数の和:782

約数の個数: 32

約数和(自身を含む): 405820800

約数和(自身を除く): 158671222

約数列:

[1, 2, 13, 26, 131, 149, 262, 298, 487, 974, 1703, 1937, 3406, 3874, 6331, 12662, 19519, 39038, 63797, 72563, 127594, 145126, 253747, 507494, 829361, 943319, 1658722, 1886638, 9505753, 19011506, 123574789, 247149578]

約数ペア:

[(1, 247149578), (2, 123574789), (13, 19011506), (26, 9505753), (131, 1886638), (149, 1658722), (262, 943319), (298, 829361), (487, 507494), (974, 253747), (1703, 145126), (1937, 127594), (3406, 72563), (3874, 63797), (6331, 39038), (12662, 19519)]