397173192

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1272991}}^1$

素因数の和:1273013

約数の個数: 32

約数和(自身を含む): 1069313280

約数和(自身を除く): 672140088

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 1272991, 2545982, 3818973, 5091964, 7637946, 10183928, 15275892, 16548883, 30551784, 33097766, 49646649, 66195532, 99293298, 132391064, 198586596, 397173192]

約数ペア:

[(1, 397173192), (2, 198586596), (3, 132391064), (4, 99293298), (6, 66195532), (8, 49646649), (12, 33097766), (13, 30551784), (24, 16548883), (26, 15275892), (39, 10183928), (52, 7637946), (78, 5091964), (104, 3818973), (156, 2545982), (312, 1272991)]