80557778

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{419}}^1\times {\mathrm{443}}^1$

素因数の和:902

約数の個数: 32

約数和(自身を含む): 143216640

約数和(自身を除く): 62658862

約数列:

[1, 2, 7, 14, 31, 62, 217, 419, 434, 443, 838, 886, 2933, 3101, 5866, 6202, 12989, 13733, 25978, 27466, 90923, 96131, 181846, 185617, 192262, 371234, 1299319, 2598638, 5754127, 11508254, 40278889, 80557778]

約数ペア:

[(1, 80557778), (2, 40278889), (7, 11508254), (14, 5754127), (31, 2598638), (62, 1299319), (217, 371234), (419, 192262), (434, 185617), (443, 181846), (838, 96131), (886, 90923), (2933, 27466), (3101, 25978), (5866, 13733), (6202, 12989)]