81376232

素因数分解:

$2^3\times 7^1\times {\mathrm{641}}^1\times {\mathrm{2267}}^1$

素因数の和:2921

約数の個数: 32

約数和(自身を含む): 174726720

約数和(自身を除く): 93350488

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 641, 1282, 2267, 2564, 4487, 4534, 5128, 8974, 9068, 15869, 17948, 18136, 31738, 35896, 63476, 126952, 1453147, 2906294, 5812588, 10172029, 11625176, 20344058, 40688116, 81376232]

約数ペア:

[(1, 81376232), (2, 40688116), (4, 20344058), (7, 11625176), (8, 10172029), (14, 5812588), (28, 2906294), (56, 1453147), (641, 126952), (1282, 63476), (2267, 35896), (2564, 31738), (4487, 18136), (4534, 17948), (5128, 15869), (8974, 9068)]