644861466

素因数分解:

$2^1\times 3^3\times {\mathrm{67}}^1\times {\mathrm{137}}^1\times {\mathrm{1301}}^1$

素因数の和:1516

約数の個数: 64

約数和(自身を含む): 1466156160

約数和(自身を除く): 821294694

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 67, 134, 137, 201, 274, 402, 411, 603, 822, 1206, 1233, 1301, 1809, 2466, 2602, 3618, 3699, 3903, 7398, 7806, 9179, 11709, 18358, 23418, 27537, 35127, 55074, 70254, 82611, 87167, 165222, 174334, 178237, 247833, 261501, 356474, 495666, 523002, 534711, 784503, 1069422, 1569006, 1604133, 2353509, 3208266, 4707018, 4812399, 9624798, 11941879, 23883758, 35825637, 71651274, 107476911, 214953822, 322430733, 644861466]

約数ペア:

[(1, 644861466), (2, 322430733), (3, 214953822), (6, 107476911), (9, 71651274), (18, 35825637), (27, 23883758), (54, 11941879), (67, 9624798), (134, 4812399), (137, 4707018), (201, 3208266), (274, 2353509), (402, 1604133), (411, 1569006), (603, 1069422), (822, 784503), (1206, 534711), (1233, 523002), (1301, 495666), (1809, 356474), (2466, 261501), (2602, 247833), (3618, 178237), (3699, 174334), (3903, 165222), (7398, 87167), (7806, 82611), (9179, 70254), (11709, 55074), (18358, 35127), (23418, 27537)]