71642928

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{213223}}^1$

素因数の和:213241

約数の個数: 40

約数和(自身を含む): 211518208

約数和(自身を除く): 139875280

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 213223, 426446, 639669, 852892, 1279338, 1492561, 1705784, 2558676, 2985122, 3411568, 4477683, 5117352, 5970244, 8955366, 10234704, 11940488, 17910732, 23880976, 35821464, 71642928]

約数ペア:

[(1, 71642928), (2, 35821464), (3, 23880976), (4, 17910732), (6, 11940488), (7, 10234704), (8, 8955366), (12, 5970244), (14, 5117352), (16, 4477683), (21, 3411568), (24, 2985122), (28, 2558676), (42, 1705784), (48, 1492561), (56, 1279338), (84, 852892), (112, 639669), (168, 426446), (336, 213223)]