639716624

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{44773}}^1$

素因数の和:44847

約数の個数: 40

約数和(自身を含む): 1332474240

約数和(自身を除く): 692757616

約数列:

[1, 2, 4, 8, 16, 19, 38, 47, 76, 94, 152, 188, 304, 376, 752, 893, 1786, 3572, 7144, 14288, 44773, 89546, 179092, 358184, 716368, 850687, 1701374, 2104331, 3402748, 4208662, 6805496, 8417324, 13610992, 16834648, 33669296, 39982289, 79964578, 159929156, 319858312, 639716624]

約数ペア:

[(1, 639716624), (2, 319858312), (4, 159929156), (8, 79964578), (16, 39982289), (19, 33669296), (38, 16834648), (47, 13610992), (76, 8417324), (94, 6805496), (152, 4208662), (188, 3402748), (304, 2104331), (376, 1701374), (752, 850687), (893, 716368), (1786, 358184), (3572, 179092), (7144, 89546), (14288, 44773)]