78619436

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^2\times {\mathrm{557}}^1$

素因数の和:710

約数の個数: 36

約数和(自身を含む): 159771024

約数和(自身を除く): 81151588

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 557, 994, 1114, 1988, 2228, 3899, 5041, 7798, 10082, 15596, 20164, 35287, 39547, 70574, 79094, 141148, 158188, 276829, 553658, 1107316, 2807837, 5615674, 11231348, 19654859, 39309718, 78619436]

約数ペア:

[(1, 78619436), (2, 39309718), (4, 19654859), (7, 11231348), (14, 5615674), (28, 2807837), (71, 1107316), (142, 553658), (284, 276829), (497, 158188), (557, 141148), (994, 79094), (1114, 70574), (1988, 39547), (2228, 35287), (3899, 20164), (5041, 15596), (7798, 10082)]