89977804

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{421}}^1\times {\mathrm{449}}^1$

素因数の和:898

約数の個数: 48

約数和(自身を含む): 191419200

約数和(自身を除く): 101441396

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 421, 449, 476, 842, 898, 1684, 1796, 2947, 3143, 5894, 6286, 7157, 7633, 11788, 12572, 14314, 15266, 28628, 30532, 50099, 53431, 100198, 106862, 189029, 200396, 213724, 378058, 756116, 1323203, 2646406, 3213493, 5292812, 6426986, 12853972, 22494451, 44988902, 89977804]

約数ペア:

[(1, 89977804), (2, 44988902), (4, 22494451), (7, 12853972), (14, 6426986), (17, 5292812), (28, 3213493), (34, 2646406), (68, 1323203), (119, 756116), (238, 378058), (421, 213724), (449, 200396), (476, 189029), (842, 106862), (898, 100198), (1684, 53431), (1796, 50099), (2947, 30532), (3143, 28628), (5894, 15266), (6286, 14314), (7157, 12572), (7633, 11788)]