255721726

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{241}}^1\times {\mathrm{1103}}^1$

素因数の和:1396

約数の個数: 32

約数和(自身を含む): 426400128

約数和(自身を除く): 170678402

約数列:

[1, 2, 13, 26, 37, 74, 241, 481, 482, 962, 1103, 2206, 3133, 6266, 8917, 14339, 17834, 28678, 40811, 81622, 115921, 231842, 265823, 530543, 531646, 1061086, 3455699, 6911398, 9835451, 19670902, 127860863, 255721726]

約数ペア:

[(1, 255721726), (2, 127860863), (13, 19670902), (26, 9835451), (37, 6911398), (74, 3455699), (241, 1061086), (481, 531646), (482, 530543), (962, 265823), (1103, 231842), (2206, 115921), (3133, 81622), (6266, 40811), (8917, 28678), (14339, 17834)]