81112798

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1\times {\mathrm{257}}^1$

素因数の和:532

約数の個数: 32

約数和(自身を含む): 134366400

約数和(自身を除く): 53253602

約数列:

[1, 2, 13, 26, 61, 122, 199, 257, 398, 514, 793, 1586, 2587, 3341, 5174, 6682, 12139, 15677, 24278, 31354, 51143, 102286, 157807, 203801, 315614, 407602, 664859, 1329718, 3119723, 6239446, 40556399, 81112798]

約数ペア:

[(1, 81112798), (2, 40556399), (13, 6239446), (26, 3119723), (61, 1329718), (122, 664859), (199, 407602), (257, 315614), (398, 203801), (514, 157807), (793, 102286), (1586, 51143), (2587, 31354), (3341, 24278), (5174, 15677), (6682, 12139)]