128857352

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{1239013}}^1$

素因数の和:1239032

約数の個数: 16

約数和(自身を含む): 260192940

約数和(自身を除く): 131335588

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 1239013, 2478026, 4956052, 9912104, 16107169, 32214338, 64428676, 128857352]

約数ペア:

[(1, 128857352), (2, 64428676), (4, 32214338), (8, 16107169), (13, 9912104), (26, 4956052), (52, 2478026), (104, 1239013)]