690494

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:120

約数の個数: 32

約数和(自身を含む): 1284096

約数和(自身を除く): 593602

約数列:

[1, 2, 7, 14, 31, 37, 43, 62, 74, 86, 217, 259, 301, 434, 518, 602, 1147, 1333, 1591, 2294, 2666, 3182, 8029, 9331, 11137, 16058, 18662, 22274, 49321, 98642, 345247, 690494]

約数ペア:

[(1, 690494), (2, 345247), (7, 98642), (14, 49321), (31, 22274), (37, 18662), (43, 16058), (62, 11137), (74, 9331), (86, 8029), (217, 3182), (259, 2666), (301, 2294), (434, 1591), (518, 1333), (602, 1147)]