215624906

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{643}}^1\times {\mathrm{1409}}^1$

素因数の和:2078

約数の個数: 32

約数和(自身を含む): 392273280

約数和(自身を除く): 176648374

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 643, 1286, 1409, 2818, 4501, 9002, 9863, 10931, 19726, 21862, 23953, 47906, 76517, 153034, 167671, 335342, 905987, 1811974, 6341909, 12683818, 15401779, 30803558, 107812453, 215624906]

約数ペア:

[(1, 215624906), (2, 107812453), (7, 30803558), (14, 15401779), (17, 12683818), (34, 6341909), (119, 1811974), (238, 905987), (643, 335342), (1286, 167671), (1409, 153034), (2818, 76517), (4501, 47906), (9002, 23953), (9863, 21862), (10931, 19726)]