9986788

素因数分解:

$2^2\times 7^3\times {\mathrm{29}}^1\times {\mathrm{251}}^1$

素因数の和:305

約数の個数: 48

約数和(自身を含む): 21168000

約数和(自身を除く): 11181212

約数列:

[1, 2, 4, 7, 14, 28, 29, 49, 58, 98, 116, 196, 203, 251, 343, 406, 502, 686, 812, 1004, 1372, 1421, 1757, 2842, 3514, 5684, 7028, 7279, 9947, 12299, 14558, 19894, 24598, 29116, 39788, 49196, 50953, 86093, 101906, 172186, 203812, 344372, 356671, 713342, 1426684, 2496697, 4993394, 9986788]

約数ペア:

[(1, 9986788), (2, 4993394), (4, 2496697), (7, 1426684), (14, 713342), (28, 356671), (29, 344372), (49, 203812), (58, 172186), (98, 101906), (116, 86093), (196, 50953), (203, 49196), (251, 39788), (343, 29116), (406, 24598), (502, 19894), (686, 14558), (812, 12299), (1004, 9947), (1372, 7279), (1421, 7028), (1757, 5684), (2842, 3514)]