12778135

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{37}}^1\times {\mathrm{239}}^1$

素因数の和:315

約数の個数: 24

約数和(自身を含む): 16799040

約数和(自身を除く): 4020905

約数列:

[1, 5, 17, 37, 85, 185, 239, 289, 629, 1195, 1445, 3145, 4063, 8843, 10693, 20315, 44215, 53465, 69071, 150331, 345355, 751655, 2555627, 12778135]

約数ペア:

[(1, 12778135), (5, 2555627), (17, 751655), (37, 345355), (85, 150331), (185, 69071), (239, 53465), (289, 44215), (629, 20315), (1195, 10693), (1445, 8843), (3145, 4063)]