640015935

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{113177}}^1$

素因数の和:113227

約数の個数: 32

約数和(自身を含む): 1140834240

約数和(自身を除く): 500818305

約数列:

[1, 3, 5, 13, 15, 29, 39, 65, 87, 145, 195, 377, 435, 1131, 1885, 5655, 113177, 339531, 565885, 1471301, 1697655, 3282133, 4413903, 7356505, 9846399, 16410665, 22069515, 42667729, 49231995, 128003187, 213338645, 640015935]

約数ペア:

[(1, 640015935), (3, 213338645), (5, 128003187), (13, 49231995), (15, 42667729), (29, 22069515), (39, 16410665), (65, 9846399), (87, 7356505), (145, 4413903), (195, 3282133), (377, 1697655), (435, 1471301), (1131, 565885), (1885, 339531), (5655, 113177)]