78943516

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{251}}^1\times {\mathrm{1289}}^1$

素因数の和:1605

約数の個数: 24

約数和(自身を含む): 141084720

約数和(自身を除く): 62141204

約数列:

[1, 2, 4, 61, 122, 244, 251, 502, 1004, 1289, 2578, 5156, 15311, 30622, 61244, 78629, 157258, 314516, 323539, 647078, 1294156, 19735879, 39471758, 78943516]

約数ペア:

[(1, 78943516), (2, 39471758), (4, 19735879), (61, 1294156), (122, 647078), (244, 323539), (251, 314516), (502, 157258), (1004, 78629), (1289, 61244), (2578, 30622), (5156, 15311)]