888934670

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{76831}}^1$

素因数の和:76940

約数の個数: 32

約数和(自身を含む): 1742549760

約数和(自身を除く): 853615090

約数列:

[1, 2, 5, 10, 13, 26, 65, 89, 130, 178, 445, 890, 1157, 2314, 5785, 11570, 76831, 153662, 384155, 768310, 998803, 1997606, 4994015, 6837959, 9988030, 13675918, 34189795, 68379590, 88893467, 177786934, 444467335, 888934670]

約数ペア:

[(1, 888934670), (2, 444467335), (5, 177786934), (10, 88893467), (13, 68379590), (26, 34189795), (65, 13675918), (89, 9988030), (130, 6837959), (178, 4994015), (445, 1997606), (890, 998803), (1157, 768310), (2314, 384155), (5785, 153662), (11570, 76831)]