28880404

素因数分解:

$2^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{5081}}^1$

素因数の和:5128

約数の個数: 36

約数和(自身を含む): 60831540

約数和(自身を除く): 31951136

約数列:

[1, 2, 4, 7, 14, 28, 29, 49, 58, 98, 116, 196, 203, 406, 812, 1421, 2842, 5081, 5684, 10162, 20324, 35567, 71134, 142268, 147349, 248969, 294698, 497938, 589396, 995876, 1031443, 2062886, 4125772, 7220101, 14440202, 28880404]

約数ペア:

[(1, 28880404), (2, 14440202), (4, 7220101), (7, 4125772), (14, 2062886), (28, 1031443), (29, 995876), (49, 589396), (58, 497938), (98, 294698), (116, 248969), (196, 147349), (203, 142268), (406, 71134), (812, 35567), (1421, 20324), (2842, 10162), (5081, 5684)]