128545352

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{23321}}^1$

素因数の和:23393

約数の個数: 32

約数和(自身を含む): 264471480

約数和(自身を除く): 135926128

約数列:

[1, 2, 4, 8, 13, 26, 52, 53, 104, 106, 212, 424, 689, 1378, 2756, 5512, 23321, 46642, 93284, 186568, 303173, 606346, 1212692, 1236013, 2425384, 2472026, 4944052, 9888104, 16068169, 32136338, 64272676, 128545352]

約数ペア:

[(1, 128545352), (2, 64272676), (4, 32136338), (8, 16068169), (13, 9888104), (26, 4944052), (52, 2472026), (53, 2425384), (104, 1236013), (106, 1212692), (212, 606346), (424, 303173), (689, 186568), (1378, 93284), (2756, 46642), (5512, 23321)]