1256861086

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{19739}}^1$

素因数の和:19864

約数の個数: 32

約数和(自身を含む): 2122444800

約数和(自身を除く): 865583714

約数列:

[1, 2, 13, 26, 31, 62, 79, 158, 403, 806, 1027, 2054, 2449, 4898, 19739, 31837, 39478, 63674, 256607, 513214, 611909, 1223818, 1559381, 3118762, 7954817, 15909634, 20271953, 40543906, 48340811, 96681622, 628430543, 1256861086]

約数ペア:

[(1, 1256861086), (2, 628430543), (13, 96681622), (26, 48340811), (31, 40543906), (62, 20271953), (79, 15909634), (158, 7954817), (403, 3118762), (806, 1559381), (1027, 1223818), (2054, 611909), (2449, 513214), (4898, 256607), (19739, 63674), (31837, 39478)]