161115556

素因数分解:

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

素因数の和:904

約数の個数: 48

約数和(自身を含む): 334172160

約数和(自身を除く): 173056604

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 419, 434, 443, 838, 868, 886, 1676, 1772, 2933, 3101, 5866, 6202, 11732, 12404, 12989, 13733, 25978, 27466, 51956, 54932, 90923, 96131, 181846, 185617, 192262, 363692, 371234, 384524, 742468, 1299319, 2598638, 5197276, 5754127, 11508254, 23016508, 40278889, 80557778, 161115556]

約数ペア:

[(1, 161115556), (2, 80557778), (4, 40278889), (7, 23016508), (14, 11508254), (28, 5754127), (31, 5197276), (62, 2598638), (124, 1299319), (217, 742468), (419, 384524), (434, 371234), (443, 363692), (838, 192262), (868, 185617), (886, 181846), (1676, 96131), (1772, 90923), (2933, 54932), (3101, 51956), (5866, 27466), (6202, 25978), (11732, 13733), (12404, 12989)]