31870223

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{251}}^1$

素因数の和:383

約数の個数: 32

約数和(自身を含む): 42674688

約数和(自身を除く): 10804465

約数列:

[1, 7, 11, 17, 77, 97, 119, 187, 251, 679, 1067, 1309, 1649, 1757, 2761, 4267, 7469, 11543, 18139, 19327, 24347, 29869, 46937, 126973, 170429, 267817, 328559, 413899, 1874719, 2897293, 4552889, 31870223]

約数ペア:

[(1, 31870223), (7, 4552889), (11, 2897293), (17, 1874719), (77, 413899), (97, 328559), (119, 267817), (187, 170429), (251, 126973), (679, 46937), (1067, 29869), (1309, 24347), (1649, 19327), (1757, 18139), (2761, 11543), (4267, 7469)]