87291244

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{61}}^1\times {\mathrm{991}}^1$

素因数の和:1094

約数の個数: 36

約数和(自身を含む): 164031168

約数和(自身を除く): 76739924

約数列:

[1, 2, 4, 19, 38, 61, 76, 122, 244, 361, 722, 991, 1159, 1444, 1982, 2318, 3964, 4636, 18829, 22021, 37658, 44042, 60451, 75316, 88084, 120902, 241804, 357751, 715502, 1148569, 1431004, 2297138, 4594276, 21822811, 43645622, 87291244]

約数ペア:

[(1, 87291244), (2, 43645622), (4, 21822811), (19, 4594276), (38, 2297138), (61, 1431004), (76, 1148569), (122, 715502), (244, 357751), (361, 241804), (722, 120902), (991, 88084), (1159, 75316), (1444, 60451), (1982, 44042), (2318, 37658), (3964, 22021), (4636, 18829)]