78211868

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{121447}}^1$

素因数の和:121481

約数の個数: 24

約数和(自身を含む): 163226112

約数和(自身を除く): 85014244

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 121447, 242894, 485788, 850129, 1700258, 2793281, 3400516, 5586562, 11173124, 19552967, 39105934, 78211868]

約数ペア:

[(1, 78211868), (2, 39105934), (4, 19552967), (7, 11173124), (14, 5586562), (23, 3400516), (28, 2793281), (46, 1700258), (92, 850129), (161, 485788), (322, 242894), (644, 121447)]