199384784

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{617}}^1\times {\mathrm{1063}}^1$

素因数の和:1707

約数の個数: 40

約数和(自身を含む): 407682240

約数和(自身を除く): 208297456

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 617, 1063, 1234, 2126, 2468, 4252, 4936, 8504, 9872, 11723, 17008, 20197, 23446, 40394, 46892, 80788, 93784, 161576, 187568, 323152, 655871, 1311742, 2623484, 5246968, 10493936, 12461549, 24923098, 49846196, 99692392, 199384784]

約数ペア:

[(1, 199384784), (2, 99692392), (4, 49846196), (8, 24923098), (16, 12461549), (19, 10493936), (38, 5246968), (76, 2623484), (152, 1311742), (304, 655871), (617, 323152), (1063, 187568), (1234, 161576), (2126, 93784), (2468, 80788), (4252, 46892), (4936, 40394), (8504, 23446), (9872, 20197), (11723, 17008)]