82509778

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1\times {\mathrm{431}}^1$

素因数の和:682

約数の個数: 32

約数和(自身を含む): 137894400

約数和(自身を除く): 55384622

約数列:

[1, 2, 13, 26, 37, 74, 199, 398, 431, 481, 862, 962, 2587, 5174, 5603, 7363, 11206, 14726, 15947, 31894, 85769, 95719, 171538, 191438, 207311, 414622, 1114997, 2229994, 3173453, 6346906, 41254889, 82509778]

約数ペア:

[(1, 82509778), (2, 41254889), (13, 6346906), (26, 3173453), (37, 2229994), (74, 1114997), (199, 414622), (398, 207311), (431, 191438), (481, 171538), (862, 95719), (962, 85769), (2587, 31894), (5174, 15947), (5603, 14726), (7363, 11206)]