280027438

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{2113}}^1$

素因数の和:2248

約数の個数: 32

約数和(自身を含む): 455406336

約数和(自身を除く): 175378898

約数列:

[1, 2, 23, 43, 46, 67, 86, 134, 989, 1541, 1978, 2113, 2881, 3082, 4226, 5762, 48599, 66263, 90859, 97198, 132526, 141571, 181718, 283142, 2089757, 3256133, 4179514, 6087553, 6512266, 12175106, 140013719, 280027438]

約数ペア:

[(1, 280027438), (2, 140013719), (23, 12175106), (43, 6512266), (46, 6087553), (67, 4179514), (86, 3256133), (134, 2089757), (989, 283142), (1541, 181718), (1978, 141571), (2113, 132526), (2881, 97198), (3082, 90859), (4226, 66263), (5762, 48599)]