690622412

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{43067}}^1$

素因数の和:43301

約数の個数: 24

約数和(自身を含む): 1278258240

約数和(自身を除く): 587635828

約数列:

[1, 2, 4, 19, 38, 76, 211, 422, 844, 4009, 8018, 16036, 43067, 86134, 172268, 818273, 1636546, 3273092, 9087137, 18174274, 36348548, 172655603, 345311206, 690622412]

約数ペア:

[(1, 690622412), (2, 345311206), (4, 172655603), (19, 36348548), (38, 18174274), (76, 9087137), (211, 3273092), (422, 1636546), (844, 818273), (4009, 172268), (8018, 86134), (16036, 43067)]