12517505

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:138

約数の個数: 64

約数和(自身を含む): 20998656

約数和(自身を除く): 8481151

約数列:

[1, 5, 7, 11, 13, 35, 41, 55, 61, 65, 77, 91, 143, 205, 287, 305, 385, 427, 451, 455, 533, 671, 715, 793, 1001, 1435, 2135, 2255, 2501, 2665, 3157, 3355, 3731, 3965, 4697, 5005, 5551, 5863, 8723, 12505, 15785, 17507, 18655, 23485, 27511, 27755, 29315, 32513, 41041, 43615, 61061, 87535, 137555, 162565, 192577, 205205, 227591, 305305, 357643, 962885, 1137955, 1788215, 2503501, 12517505]

約数ペア:

[(1, 12517505), (5, 2503501), (7, 1788215), (11, 1137955), (13, 962885), (35, 357643), (41, 305305), (55, 227591), (61, 205205), (65, 192577), (77, 162565), (91, 137555), (143, 87535), (205, 61061), (287, 43615), (305, 41041), (385, 32513), (427, 29315), (451, 27755), (455, 27511), (533, 23485), (671, 18655), (715, 17507), (793, 15785), (1001, 12505), (1435, 8723), (2135, 5863), (2255, 5551), (2501, 5005), (2665, 4697), (3157, 3965), (3355, 3731)]