212841330

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{545747}}^1$

素因数の和:545770

約数の個数: 32

約数和(自身を含む): 550113984

約数和(自身を除く): 337272654

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 545747, 1091494, 1637241, 2728735, 3274482, 5457470, 7094711, 8186205, 14189422, 16372410, 21284133, 35473555, 42568266, 70947110, 106420665, 212841330]

約数ペア:

[(1, 212841330), (2, 106420665), (3, 70947110), (5, 42568266), (6, 35473555), (10, 21284133), (13, 16372410), (15, 14189422), (26, 8186205), (30, 7094711), (39, 5457470), (65, 3274482), (78, 2728735), (130, 1637241), (195, 1091494), (390, 545747)]