78620836

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{1709}}^1$

素因数の和:1804

約数の個数: 48

約数和(自身を含む): 165473280

約数和(自身を除く): 86852444

約数列:

[1, 2, 4, 7, 14, 28, 31, 53, 62, 106, 124, 212, 217, 371, 434, 742, 868, 1484, 1643, 1709, 3286, 3418, 6572, 6836, 11501, 11963, 23002, 23926, 46004, 47852, 52979, 90577, 105958, 181154, 211916, 362308, 370853, 634039, 741706, 1268078, 1483412, 2536156, 2807887, 5615774, 11231548, 19655209, 39310418, 78620836]

約数ペア:

[(1, 78620836), (2, 39310418), (4, 19655209), (7, 11231548), (14, 5615774), (28, 2807887), (31, 2536156), (53, 1483412), (62, 1268078), (106, 741706), (124, 634039), (212, 370853), (217, 362308), (371, 211916), (434, 181154), (742, 105958), (868, 90577), (1484, 52979), (1643, 47852), (1709, 46004), (3286, 23926), (3418, 23002), (6572, 11963), (6836, 11501)]