64278536

素因数分解:

$2^3\times 7^1\times {\mathrm{919}}^1\times {\mathrm{1249}}^1$

素因数の和:2181

約数の個数: 32

約数和(自身を含む): 138000000

約数和(自身を除く): 73721464

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 919, 1249, 1838, 2498, 3676, 4996, 6433, 7352, 8743, 9992, 12866, 17486, 25732, 34972, 51464, 69944, 1147831, 2295662, 4591324, 8034817, 9182648, 16069634, 32139268, 64278536]

約数ペア:

[(1, 64278536), (2, 32139268), (4, 16069634), (7, 9182648), (8, 8034817), (14, 4591324), (28, 2295662), (56, 1147831), (919, 69944), (1249, 51464), (1838, 34972), (2498, 25732), (3676, 17486), (4996, 12866), (6433, 9992), (7352, 8743)]