218858478

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{42863}}^1$

素因数の和:42928

約数の個数: 32

約数和(自身を含む): 469103616

約数和(自身を除く): 250245138

約数列:

[1, 2, 3, 6, 23, 37, 46, 69, 74, 111, 138, 222, 851, 1702, 2553, 5106, 42863, 85726, 128589, 257178, 985849, 1585931, 1971698, 2957547, 3171862, 4757793, 5915094, 9515586, 36476413, 72952826, 109429239, 218858478]

約数ペア:

[(1, 218858478), (2, 109429239), (3, 72952826), (6, 36476413), (23, 9515586), (37, 5915094), (46, 4757793), (69, 3171862), (74, 2957547), (111, 1971698), (138, 1585931), (222, 985849), (851, 257178), (1702, 128589), (2553, 85726), (5106, 42863)]