78873136

素因数分解:

$2^4\times {\mathrm{449}}^1\times {\mathrm{10979}}^1$

素因数の和:11436

約数の個数: 20

約数和(自身を含む): 153171000

約数和(自身を除く): 74297864

約数列:

[1, 2, 4, 8, 16, 449, 898, 1796, 3592, 7184, 10979, 21958, 43916, 87832, 175664, 4929571, 9859142, 19718284, 39436568, 78873136]

約数ペア:

[(1, 78873136), (2, 39436568), (4, 19718284), (8, 9859142), (16, 4929571), (449, 175664), (898, 87832), (1796, 43916), (3592, 21958), (7184, 10979)]