138631745

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{1871}}^1$

素因数の和:1985

約数の個数: 32

約数和(自身を含む): 199480320

約数和(自身を除く): 60848575

約数列:

[1, 5, 7, 29, 35, 73, 145, 203, 365, 511, 1015, 1871, 2117, 2555, 9355, 10585, 13097, 14819, 54259, 65485, 74095, 136583, 271295, 379813, 682915, 956081, 1899065, 3960907, 4780405, 19804535, 27726349, 138631745]

約数ペア:

[(1, 138631745), (5, 27726349), (7, 19804535), (29, 4780405), (35, 3960907), (73, 1899065), (145, 956081), (203, 682915), (365, 379813), (511, 271295), (1015, 136583), (1871, 74095), (2117, 65485), (2555, 54259), (9355, 14819), (10585, 13097)]