828045340

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1335557}}^1$

素因数の和:1335597

約数の個数: 24

約数和(自身を含む): 1794989952

約数和(自身を除く): 966944612

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 1335557, 2671114, 5342228, 6677785, 13355570, 26711140, 41402267, 82804534, 165609068, 207011335, 414022670, 828045340]

約数ペア:

[(1, 828045340), (2, 414022670), (4, 207011335), (5, 165609068), (10, 82804534), (20, 41402267), (31, 26711140), (62, 13355570), (124, 6677785), (155, 5342228), (310, 2671114), (620, 1335557)]