68873870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{523}}^1\times {\mathrm{1013}}^1$

素因数の和:1556

約数の個数: 32

約数和(自身を含む): 133896672

約数和(自身を除く): 65022802

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 523, 1013, 1046, 2026, 2615, 5065, 5230, 6799, 10130, 13169, 13598, 26338, 33995, 65845, 67990, 131690, 529799, 1059598, 2648995, 5297990, 6887387, 13774774, 34436935, 68873870]

約数ペア:

[(1, 68873870), (2, 34436935), (5, 13774774), (10, 6887387), (13, 5297990), (26, 2648995), (65, 1059598), (130, 529799), (523, 131690), (1013, 67990), (1046, 65845), (2026, 33995), (2615, 26338), (5065, 13598), (5230, 13169), (6799, 10130)]