388381736

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{541}}^1\times {\mathrm{4723}}^1$

素因数の和:5289

約数の個数: 32

約数和(自身を含む): 768122400

約数和(自身を除く): 379740664

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 541, 1082, 2164, 4328, 4723, 9446, 10279, 18892, 20558, 37784, 41116, 82232, 89737, 179474, 358948, 717896, 2555143, 5110286, 10220572, 20441144, 48547717, 97095434, 194190868, 388381736]

約数ペア:

[(1, 388381736), (2, 194190868), (4, 97095434), (8, 48547717), (19, 20441144), (38, 10220572), (76, 5110286), (152, 2555143), (541, 717896), (1082, 358948), (2164, 179474), (4328, 89737), (4723, 82232), (9446, 41116), (10279, 37784), (18892, 20558)]