28302988

素因数分解:

$2^2\times 7^5\times {\mathrm{421}}^1$

素因数の和:460

約数の個数: 36

約数和(自身を含む): 57922032

約数和(自身を除く): 29619044

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 421, 686, 842, 1372, 1684, 2401, 2947, 4802, 5894, 9604, 11788, 16807, 20629, 33614, 41258, 67228, 82516, 144403, 288806, 577612, 1010821, 2021642, 4043284, 7075747, 14151494, 28302988]

約数ペア:

[(1, 28302988), (2, 14151494), (4, 7075747), (7, 4043284), (14, 2021642), (28, 1010821), (49, 577612), (98, 288806), (196, 144403), (343, 82516), (421, 67228), (686, 41258), (842, 33614), (1372, 20629), (1684, 16807), (2401, 11788), (2947, 9604), (4802, 5894)]