256412078

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{419}}^1\times {\mathrm{23537}}^1$

素因数の和:23971

約数の個数: 16

約数和(自身を含む): 415210320

約数和(自身を除く): 158798242

約数列:

[1, 2, 13, 26, 419, 838, 5447, 10894, 23537, 47074, 305981, 611962, 9862003, 19724006, 128206039, 256412078]

約数ペア:

[(1, 256412078), (2, 128206039), (13, 19724006), (26, 9862003), (419, 611962), (838, 305981), (5447, 47074), (10894, 23537)]