138854828

素因数分解:

$2^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{22853}}^1$

素因数の和:22902

約数の個数: 36

約数和(自身を含む): 291799872

約数和(自身を除く): 152945044

約数列:

[1, 2, 4, 7, 14, 28, 31, 49, 62, 98, 124, 196, 217, 434, 868, 1519, 3038, 6076, 22853, 45706, 91412, 159971, 319942, 639884, 708443, 1119797, 1416886, 2239594, 2833772, 4479188, 4959101, 9918202, 19836404, 34713707, 69427414, 138854828]

約数ペア:

[(1, 138854828), (2, 69427414), (4, 34713707), (7, 19836404), (14, 9918202), (28, 4959101), (31, 4479188), (49, 2833772), (62, 2239594), (98, 1416886), (124, 1119797), (196, 708443), (217, 639884), (434, 319942), (868, 159971), (1519, 91412), (3038, 45706), (6076, 22853)]