128971654

素因数分解:

$2^1\times 7^1\times {\mathrm{643}}^1\times {\mathrm{14327}}^1$

素因数の和:14979

約数の個数: 16

約数和(自身を含む): 221453568

約数和(自身を除く): 92481914

約数列:

[1, 2, 7, 14, 643, 1286, 4501, 9002, 14327, 28654, 100289, 200578, 9212261, 18424522, 64485827, 128971654]

約数ペア:

[(1, 128971654), (2, 64485827), (7, 18424522), (14, 9212261), (643, 200578), (1286, 100289), (4501, 28654), (9002, 14327)]