9968890

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{487}}^1$

素因数の和:606

約数の個数: 32

約数和(自身を含む): 18973440

約数和(自身を除く): 9004550

約数列:

[1, 2, 5, 10, 23, 46, 89, 115, 178, 230, 445, 487, 890, 974, 2047, 2435, 4094, 4870, 10235, 11201, 20470, 22402, 43343, 56005, 86686, 112010, 216715, 433430, 996889, 1993778, 4984445, 9968890]

約数ペア:

[(1, 9968890), (2, 4984445), (5, 1993778), (10, 996889), (23, 433430), (46, 216715), (89, 112010), (115, 86686), (178, 56005), (230, 43343), (445, 22402), (487, 20470), (890, 11201), (974, 10235), (2047, 4870), (2435, 4094)]