31139765

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1$

素因数の和:269

約数の個数: 32

約数和(自身を含む): 41472000

約数和(自身を除く): 10332235

約数列:

[1, 5, 19, 29, 89, 95, 127, 145, 445, 551, 635, 1691, 2413, 2581, 2755, 3683, 8455, 11303, 12065, 12905, 18415, 49039, 56515, 69977, 214757, 245195, 327787, 349885, 1073785, 1638935, 6227953, 31139765]

約数ペア:

[(1, 31139765), (5, 6227953), (19, 1638935), (29, 1073785), (89, 349885), (95, 327787), (127, 245195), (145, 214757), (445, 69977), (551, 56515), (635, 49039), (1691, 18415), (2413, 12905), (2581, 12065), (2755, 11303), (3683, 8455)]