646880048

素因数分解:

$2^4\times {\mathrm{4637}}^1\times {\mathrm{8719}}^1$

素因数の和:13364

約数の個数: 20

約数和(自身を含む): 1253744160

約数和(自身を除く): 606864112

約数列:

[1, 2, 4, 8, 16, 4637, 8719, 9274, 17438, 18548, 34876, 37096, 69752, 74192, 139504, 40430003, 80860006, 161720012, 323440024, 646880048]

約数ペア:

[(1, 646880048), (2, 323440024), (4, 161720012), (8, 80860006), (16, 40430003), (4637, 139504), (8719, 74192), (9274, 69752), (17438, 37096), (18548, 34876)]