81003790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{6689}}^1$

素因数の和:6876

約数の個数: 32

約数和(自身を含む): 167624640

約数和(自身を除く): 86620850

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 173, 346, 865, 1211, 1730, 2422, 6055, 6689, 12110, 13378, 33445, 46823, 66890, 93646, 234115, 468230, 1157197, 2314394, 5785985, 8100379, 11571970, 16200758, 40501895, 81003790]

約数ペア:

[(1, 81003790), (2, 40501895), (5, 16200758), (7, 11571970), (10, 8100379), (14, 5785985), (35, 2314394), (70, 1157197), (173, 468230), (346, 234115), (865, 93646), (1211, 66890), (1730, 46823), (2422, 33445), (6055, 13378), (6689, 12110)]