198663664

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{139511}}^1$

素因数の和:139608

約数の個数: 20

約数和(自身を含む): 389238480

約数和(自身を除く): 190574816

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 139511, 279022, 558044, 1116088, 2232176, 12416479, 24832958, 49665916, 99331832, 198663664]

約数ペア:

[(1, 198663664), (2, 99331832), (4, 49665916), (8, 24832958), (16, 12416479), (89, 2232176), (178, 1116088), (356, 558044), (712, 279022), (1424, 139511)]