257059512

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{187909}}^1$

素因数の和:187940

約数の個数: 48

約数和(自身を含む): 732849000

約数和(自身を除く): 475789488

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 57, 72, 76, 114, 152, 171, 228, 342, 456, 684, 1368, 187909, 375818, 563727, 751636, 1127454, 1503272, 1691181, 2254908, 3382362, 3570271, 4509816, 6764724, 7140542, 10710813, 13529448, 14281084, 21421626, 28562168, 32132439, 42843252, 64264878, 85686504, 128529756, 257059512]

約数ペア:

[(1, 257059512), (2, 128529756), (3, 85686504), (4, 64264878), (6, 42843252), (8, 32132439), (9, 28562168), (12, 21421626), (18, 14281084), (19, 13529448), (24, 10710813), (36, 7140542), (38, 6764724), (57, 4509816), (72, 3570271), (76, 3382362), (114, 2254908), (152, 1691181), (171, 1503272), (228, 1127454), (342, 751636), (456, 563727), (684, 375818), (1368, 187909)]