320412715

素因数分解:

$5^1\times 7^2\times {\mathrm{947}}^1\times {\mathrm{1381}}^1$

素因数の和:2347

約数の個数: 24

約数和(自身を含む): 448066512

約数和(自身を除く): 127653797

約数列:

[1, 5, 7, 35, 49, 245, 947, 1381, 4735, 6629, 6905, 9667, 33145, 46403, 48335, 67669, 232015, 338345, 1307807, 6539035, 9154649, 45773245, 64082543, 320412715]

約数ペア:

[(1, 320412715), (5, 64082543), (7, 45773245), (35, 9154649), (49, 6539035), (245, 1307807), (947, 338345), (1381, 232015), (4735, 67669), (6629, 48335), (6905, 46403), (9667, 33145)]