203925865

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{3907}}^1$

素因数の和:4009

約数の個数: 32

約数和(自身を含む): 291505536

約数和(自身を除く): 87579671

約数列:

[1, 5, 11, 13, 55, 65, 73, 143, 365, 715, 803, 949, 3907, 4015, 4745, 10439, 19535, 42977, 50791, 52195, 214885, 253955, 285211, 558701, 1426055, 2793505, 3137321, 3707743, 15686605, 18538715, 40785173, 203925865]

約数ペア:

[(1, 203925865), (5, 40785173), (11, 18538715), (13, 15686605), (55, 3707743), (65, 3137321), (73, 2793505), (143, 1426055), (365, 558701), (715, 285211), (803, 253955), (949, 214885), (3907, 52195), (4015, 50791), (4745, 42977), (10439, 19535)]