87771385

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1013}}^1$

素因数の和:1105

約数の個数: 32

約数和(自身を含む): 119927808

約数和(自身を除く): 32156423

約数列:

[1, 5, 13, 31, 43, 65, 155, 215, 403, 559, 1013, 1333, 2015, 2795, 5065, 6665, 13169, 17329, 31403, 43559, 65845, 86645, 157015, 217795, 408239, 566267, 1350329, 2041195, 2831335, 6751645, 17554277, 87771385]

約数ペア:

[(1, 87771385), (5, 17554277), (13, 6751645), (31, 2831335), (43, 2041195), (65, 1350329), (155, 566267), (215, 408239), (403, 217795), (559, 157015), (1013, 86645), (1333, 65845), (2015, 43559), (2795, 31403), (5065, 17329), (6665, 13169)]