664298715

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{25793}}^1$

素因数の和:25919

約数の個数: 32

約数和(自身を含む): 1136586816

約数和(自身を除く): 472288101

約数列:

[1, 3, 5, 15, 17, 51, 85, 101, 255, 303, 505, 1515, 1717, 5151, 8585, 25755, 25793, 77379, 128965, 386895, 438481, 1315443, 2192405, 2605093, 6577215, 7815279, 13025465, 39076395, 44286581, 132859743, 221432905, 664298715]

約数ペア:

[(1, 664298715), (3, 221432905), (5, 132859743), (15, 44286581), (17, 39076395), (51, 13025465), (85, 7815279), (101, 6577215), (255, 2605093), (303, 2192405), (505, 1315443), (1515, 438481), (1717, 386895), (5151, 128965), (8585, 77379), (25755, 25793)]