78191888

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{3919}}^1$

素因数の和:3999

約数の個数: 40

約数和(自身を含む): 160406400

約数和(自身を除く): 82214512

約数列:

[1, 2, 4, 8, 16, 29, 43, 58, 86, 116, 172, 232, 344, 464, 688, 1247, 2494, 3919, 4988, 7838, 9976, 15676, 19952, 31352, 62704, 113651, 168517, 227302, 337034, 454604, 674068, 909208, 1348136, 1818416, 2696272, 4886993, 9773986, 19547972, 39095944, 78191888]

約数ペア:

[(1, 78191888), (2, 39095944), (4, 19547972), (8, 9773986), (16, 4886993), (29, 2696272), (43, 1818416), (58, 1348136), (86, 909208), (116, 674068), (172, 454604), (232, 337034), (344, 227302), (464, 168517), (688, 113651), (1247, 62704), (2494, 31352), (3919, 19952), (4988, 15676), (7838, 9976)]