77964784

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{61681}}^1$

素因数の和:61768

約数の個数: 20

約数和(自身を含む): 152971360

約数和(自身を除く): 75006576

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 632, 1264, 61681, 123362, 246724, 493448, 986896, 4872799, 9745598, 19491196, 38982392, 77964784]

約数ペア:

[(1, 77964784), (2, 38982392), (4, 19491196), (8, 9745598), (16, 4872799), (79, 986896), (158, 493448), (316, 246724), (632, 123362), (1264, 61681)]