128540408

素因数分解:

$2^3\times {\mathrm{181}}^1\times {\mathrm{88771}}^1$

素因数の和:88958

約数の個数: 16

約数和(自身を含む): 242347560

約数和(自身を除く): 113807152

約数列:

[1, 2, 4, 8, 181, 362, 724, 1448, 88771, 177542, 355084, 710168, 16067551, 32135102, 64270204, 128540408]

約数ペア:

[(1, 128540408), (2, 64270204), (4, 32135102), (8, 16067551), (181, 710168), (362, 355084), (724, 177542), (1448, 88771)]