870860705

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{487}}^1$

素因数の和:618

約数の個数: 64

約数和(自身を含む): 1280918016

約数和(自身を除く): 410057311

約数列:

[1, 5, 11, 13, 41, 55, 61, 65, 143, 205, 305, 451, 487, 533, 671, 715, 793, 2255, 2435, 2501, 2665, 3355, 3965, 5357, 5863, 6331, 8723, 12505, 19967, 26785, 27511, 29315, 29707, 31655, 32513, 43615, 69641, 99835, 137555, 148535, 162565, 219637, 259571, 326777, 348205, 357643, 386191, 1098185, 1217987, 1297855, 1633885, 1788215, 1930955, 2855281, 4248101, 6089935, 13397857, 14276405, 15833831, 21240505, 66989285, 79169155, 174172141, 870860705]

約数ペア:

[(1, 870860705), (5, 174172141), (11, 79169155), (13, 66989285), (41, 21240505), (55, 15833831), (61, 14276405), (65, 13397857), (143, 6089935), (205, 4248101), (305, 2855281), (451, 1930955), (487, 1788215), (533, 1633885), (671, 1297855), (715, 1217987), (793, 1098185), (2255, 386191), (2435, 357643), (2501, 348205), (2665, 326777), (3355, 259571), (3965, 219637), (5357, 162565), (5863, 148535), (6331, 137555), (8723, 99835), (12505, 69641), (19967, 43615), (26785, 32513), (27511, 31655), (29315, 29707)]