656886256990

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{2441}}^1\times {\mathrm{193601}}^1$

素因数の和:196188

約数の個数: 32

約数和(自身を含む): 1191395731680

約数和(自身を除く): 534509474690

約数列:

[1, 2, 5, 10, 139, 278, 695, 1390, 2441, 4882, 12205, 24410, 193601, 339299, 387202, 678598, 968005, 1696495, 1936010, 3392990, 26910539, 53821078, 134552695, 269105390, 472580041, 945160082, 2362900205, 4725800410, 65688625699, 131377251398, 328443128495, 656886256990]

約数ペア:

[(1, 656886256990), (2, 328443128495), (5, 131377251398), (10, 65688625699), (139, 4725800410), (278, 2362900205), (695, 945160082), (1390, 472580041), (2441, 269105390), (4882, 134552695), (12205, 53821078), (24410, 26910539), (193601, 3392990), (339299, 1936010), (387202, 1696495), (678598, 968005)]