81017964

素因数分解:

$2^2\times 3^2\times {\mathrm{137}}^1\times {\mathrm{16427}}^1$

素因数の和:16574

約数の個数: 36

約数和(自身を含む): 206302824

約数和(自身を除く): 125284860

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 137, 274, 411, 548, 822, 1233, 1644, 2466, 4932, 16427, 32854, 49281, 65708, 98562, 147843, 197124, 295686, 591372, 2250499, 4500998, 6751497, 9001996, 13502994, 20254491, 27005988, 40508982, 81017964]

約数ペア:

[(1, 81017964), (2, 40508982), (3, 27005988), (4, 20254491), (6, 13502994), (9, 9001996), (12, 6751497), (18, 4500998), (36, 2250499), (137, 591372), (274, 295686), (411, 197124), (548, 147843), (822, 98562), (1233, 65708), (1644, 49281), (2466, 32854), (4932, 16427)]