81249704

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{251}}^1\times {\mathrm{941}}^1$

素因数の和:1241

約数の個数: 32

約数和(自身を含む): 156673440

約数和(自身を除く): 75423736

約数列:

[1, 2, 4, 8, 43, 86, 172, 251, 344, 502, 941, 1004, 1882, 2008, 3764, 7528, 10793, 21586, 40463, 43172, 80926, 86344, 161852, 236191, 323704, 472382, 944764, 1889528, 10156213, 20312426, 40624852, 81249704]

約数ペア:

[(1, 81249704), (2, 40624852), (4, 20312426), (8, 10156213), (43, 1889528), (86, 944764), (172, 472382), (251, 323704), (344, 236191), (502, 161852), (941, 86344), (1004, 80926), (1882, 43172), (2008, 40463), (3764, 21586), (7528, 10793)]