78875870

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{257}}^1\times {\mathrm{653}}^1$

素因数の和:964

約数の個数: 32

約数和(自身を含む): 145784448

約数和(自身を除く): 66908578

約数列:

[1, 2, 5, 10, 47, 94, 235, 257, 470, 514, 653, 1285, 1306, 2570, 3265, 6530, 12079, 24158, 30691, 60395, 61382, 120790, 153455, 167821, 306910, 335642, 839105, 1678210, 7887587, 15775174, 39437935, 78875870]

約数ペア:

[(1, 78875870), (2, 39437935), (5, 15775174), (10, 7887587), (47, 1678210), (94, 839105), (235, 335642), (257, 306910), (470, 167821), (514, 153455), (653, 120790), (1285, 61382), (1306, 60395), (2570, 30691), (3265, 24158), (6530, 12079)]