143081456

素因数分解:

$2^4\times 7^1\times {\mathrm{641}}^1\times {\mathrm{1993}}^1$

素因数の和:2649

約数の個数: 40

約数和(自身を含む): 317476704

約数和(自身を除く): 174395248

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 641, 1282, 1993, 2564, 3986, 4487, 5128, 7972, 8974, 10256, 13951, 15944, 17948, 27902, 31888, 35896, 55804, 71792, 111608, 223216, 1277513, 2555026, 5110052, 8942591, 10220104, 17885182, 20440208, 35770364, 71540728, 143081456]

約数ペア:

[(1, 143081456), (2, 71540728), (4, 35770364), (7, 20440208), (8, 17885182), (14, 10220104), (16, 8942591), (28, 5110052), (56, 2555026), (112, 1277513), (641, 223216), (1282, 111608), (1993, 71792), (2564, 55804), (3986, 35896), (4487, 31888), (5128, 27902), (7972, 17948), (8974, 15944), (10256, 13951)]