81917654

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{659}}^1\times {\mathrm{683}}^1$

素因数の和:1364

約数の個数: 32

約数和(自身を含む): 151683840

約数和(自身を除く): 69766186

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 659, 683, 1318, 1366, 4613, 4781, 8567, 8879, 9226, 9562, 17134, 17758, 59969, 62153, 119938, 124306, 450097, 900194, 3150679, 5851261, 6301358, 11702522, 40958827, 81917654]

約数ペア:

[(1, 81917654), (2, 40958827), (7, 11702522), (13, 6301358), (14, 5851261), (26, 3150679), (91, 900194), (182, 450097), (659, 124306), (683, 119938), (1318, 62153), (1366, 59969), (4613, 17758), (4781, 17134), (8567, 9562), (8879, 9226)]