256445298

素因数分解:

$2^1\times 3^3\times {\mathrm{37}}^1\times {\mathrm{128351}}^1$

素因数の和:128399

約数の個数: 32

約数和(自身を含む): 585285120

約数和(自身を除く): 328839822

約数列:

[1, 2, 3, 6, 9, 18, 27, 37, 54, 74, 111, 222, 333, 666, 999, 1998, 128351, 256702, 385053, 770106, 1155159, 2310318, 3465477, 4748987, 6930954, 9497974, 14246961, 28493922, 42740883, 85481766, 128222649, 256445298]

約数ペア:

[(1, 256445298), (2, 128222649), (3, 85481766), (6, 42740883), (9, 28493922), (18, 14246961), (27, 9497974), (37, 6930954), (54, 4748987), (74, 3465477), (111, 2310318), (222, 1155159), (333, 770106), (666, 385053), (999, 256702), (1998, 128351)]