201981745

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{3023}}^1$

素因数の和:3141

約数の個数: 32

約数和(自身を含む): 292626432

約数和(自身を除く): 90644687

約数列:

[1, 5, 7, 23, 35, 83, 115, 161, 415, 581, 805, 1909, 2905, 3023, 9545, 13363, 15115, 21161, 66815, 69529, 105805, 250909, 347645, 486703, 1254545, 1756363, 2433515, 5770907, 8781815, 28854535, 40396349, 201981745]

約数ペア:

[(1, 201981745), (5, 40396349), (7, 28854535), (23, 8781815), (35, 5770907), (83, 2433515), (115, 1756363), (161, 1254545), (415, 486703), (581, 347645), (805, 250909), (1909, 105805), (2905, 69529), (3023, 66815), (9545, 21161), (13363, 15115)]