1380988

素因数分解:

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

素因数の和:122

約数の個数: 48

約数和(自身を含む): 2996224

約数和(自身を除く): 1615236

約数列:

[1, 2, 4, 7, 14, 28, 31, 37, 43, 62, 74, 86, 124, 148, 172, 217, 259, 301, 434, 518, 602, 868, 1036, 1147, 1204, 1333, 1591, 2294, 2666, 3182, 4588, 5332, 6364, 8029, 9331, 11137, 16058, 18662, 22274, 32116, 37324, 44548, 49321, 98642, 197284, 345247, 690494, 1380988]

約数ペア:

[(1, 1380988), (2, 690494), (4, 345247), (7, 197284), (14, 98642), (28, 49321), (31, 44548), (37, 37324), (43, 32116), (62, 22274), (74, 18662), (86, 16058), (124, 11137), (148, 9331), (172, 8029), (217, 6364), (259, 5332), (301, 4588), (434, 3182), (518, 2666), (602, 2294), (868, 1591), (1036, 1333), (1147, 1204)]