81987594

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{1987}}^1$

素因数の和:2051

約数の個数: 48

約数和(自身を含む): 184693152

約数和(自身を除く): 102705558

約数列:

[1, 2, 3, 6, 13, 23, 26, 39, 46, 69, 78, 138, 299, 529, 598, 897, 1058, 1587, 1794, 1987, 3174, 3974, 5961, 6877, 11922, 13754, 20631, 25831, 41262, 45701, 51662, 77493, 91402, 137103, 154986, 274206, 594113, 1051123, 1188226, 1782339, 2102246, 3153369, 3564678, 6306738, 13664599, 27329198, 40993797, 81987594]

約数ペア:

[(1, 81987594), (2, 40993797), (3, 27329198), (6, 13664599), (13, 6306738), (23, 3564678), (26, 3153369), (39, 2102246), (46, 1782339), (69, 1188226), (78, 1051123), (138, 594113), (299, 274206), (529, 154986), (598, 137103), (897, 91402), (1058, 77493), (1587, 51662), (1794, 45701), (1987, 41262), (3174, 25831), (3974, 20631), (5961, 13754), (6877, 11922)]