331620908

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{263}}^1\times {\mathrm{353}}^1$

素因数の和:686

約数の個数: 48

約数和(自身を含む): 628024320

約数和(自身を除く): 296403412

約数列:

[1, 2, 4, 19, 38, 47, 76, 94, 188, 263, 353, 526, 706, 893, 1052, 1412, 1786, 3572, 4997, 6707, 9994, 12361, 13414, 16591, 19988, 24722, 26828, 33182, 49444, 66364, 92839, 185678, 234859, 315229, 371356, 469718, 630458, 939436, 1260916, 1763941, 3527882, 4363433, 7055764, 8726866, 17453732, 82905227, 165810454, 331620908]

約数ペア:

[(1, 331620908), (2, 165810454), (4, 82905227), (19, 17453732), (38, 8726866), (47, 7055764), (76, 4363433), (94, 3527882), (188, 1763941), (263, 1260916), (353, 939436), (526, 630458), (706, 469718), (893, 371356), (1052, 315229), (1412, 234859), (1786, 185678), (3572, 92839), (4997, 66364), (6707, 49444), (9994, 33182), (12361, 26828), (13414, 24722), (16591, 19988)]