257293296

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{137443}}^1$

素因数の和:137470

約数の個数: 60

約数和(自身を含む): 775459048

約数和(自身を除く): 518165752

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 104, 117, 144, 156, 208, 234, 312, 468, 624, 936, 1872, 137443, 274886, 412329, 549772, 824658, 1099544, 1236987, 1649316, 1786759, 2199088, 2473974, 3298632, 3573518, 4947948, 5360277, 6597264, 7147036, 9895896, 10720554, 14294072, 16080831, 19791792, 21441108, 28588144, 32161662, 42882216, 64323324, 85764432, 128646648, 257293296]

約数ペア:

[(1, 257293296), (2, 128646648), (3, 85764432), (4, 64323324), (6, 42882216), (8, 32161662), (9, 28588144), (12, 21441108), (13, 19791792), (16, 16080831), (18, 14294072), (24, 10720554), (26, 9895896), (36, 7147036), (39, 6597264), (48, 5360277), (52, 4947948), (72, 3573518), (78, 3298632), (104, 2473974), (117, 2199088), (144, 1786759), (156, 1649316), (208, 1236987), (234, 1099544), (312, 824658), (468, 549772), (624, 412329), (936, 274886), (1872, 137443)]