128600368

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{618271}}^1$

素因数の和:618292

約数の個数: 20

約数和(自身を含む): 268330048

約数和(自身を除く): 139729680

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 618271, 1236542, 2473084, 4946168, 8037523, 9892336, 16075046, 32150092, 64300184, 128600368]

約数ペア:

[(1, 128600368), (2, 64300184), (4, 32150092), (8, 16075046), (13, 9892336), (16, 8037523), (26, 4946168), (52, 2473084), (104, 1236542), (208, 618271)]