689969238

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{400679}}^1$

素因数の和:400732

約数の個数: 32

約数和(自身を含む): 1615541760

約数和(自身を除く): 925572522

約数列:

[1, 2, 3, 6, 7, 14, 21, 41, 42, 82, 123, 246, 287, 574, 861, 1722, 400679, 801358, 1202037, 2404074, 2804753, 5609506, 8414259, 16427839, 16828518, 32855678, 49283517, 98567034, 114994873, 229989746, 344984619, 689969238]

約数ペア:

[(1, 689969238), (2, 344984619), (3, 229989746), (6, 114994873), (7, 98567034), (14, 49283517), (21, 32855678), (41, 16828518), (42, 16427839), (82, 8414259), (123, 5609506), (246, 2804753), (287, 2404074), (574, 1202037), (861, 801358), (1722, 400679)]