389623390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{479}}^1\times {\mathrm{6257}}^1$

素因数の和:6756

約数の個数: 32

約数和(自身を含む): 756967680

約数和(自身を除く): 367344290

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 479, 958, 2395, 4790, 6227, 6257, 12454, 12514, 31135, 31285, 62270, 62570, 81341, 162682, 406705, 813410, 2997103, 5994206, 14985515, 29971030, 38962339, 77924678, 194811695, 389623390]

約数ペア:

[(1, 389623390), (2, 194811695), (5, 77924678), (10, 38962339), (13, 29971030), (26, 14985515), (65, 5994206), (130, 2997103), (479, 813410), (958, 406705), (2395, 162682), (4790, 81341), (6227, 62570), (6257, 62270), (12454, 31285), (12514, 31135)]