12222370

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{443}}^1$

素因数の和:570

約数の個数: 32

約数和(自身を含む): 23016960

約数和(自身を除く): 10794590

約数列:

[1, 2, 5, 10, 31, 62, 89, 155, 178, 310, 443, 445, 886, 890, 2215, 2759, 4430, 5518, 13733, 13795, 27466, 27590, 39427, 68665, 78854, 137330, 197135, 394270, 1222237, 2444474, 6111185, 12222370]

約数ペア:

[(1, 12222370), (2, 6111185), (5, 2444474), (10, 1222237), (31, 394270), (62, 197135), (89, 137330), (155, 78854), (178, 68665), (310, 39427), (443, 27590), (445, 27466), (886, 13795), (890, 13733), (2215, 5518), (2759, 4430)]