256854

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:144

約数の個数: 32

約数和(自身を含む): 574560

約数和(自身を除く): 317706

約数列:

[1, 2, 3, 6, 13, 26, 37, 39, 74, 78, 89, 111, 178, 222, 267, 481, 534, 962, 1157, 1443, 2314, 2886, 3293, 3471, 6586, 6942, 9879, 19758, 42809, 85618, 128427, 256854]

約数ペア:

[(1, 256854), (2, 128427), (3, 85618), (6, 42809), (13, 19758), (26, 9879), (37, 6942), (39, 6586), (74, 3471), (78, 3293), (89, 2886), (111, 2314), (178, 1443), (222, 1157), (267, 962), (481, 534)]