13128115

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:140

約数の個数: 64

約数和(自身を含む): 21998592

約数和(自身を除く): 8870477

約数列:

[1, 5, 7, 11, 13, 35, 43, 55, 61, 65, 77, 91, 143, 215, 301, 305, 385, 427, 455, 473, 559, 671, 715, 793, 1001, 1505, 2135, 2365, 2623, 2795, 3311, 3355, 3913, 3965, 4697, 5005, 5551, 6149, 8723, 13115, 16555, 18361, 19565, 23485, 27755, 28853, 30745, 34099, 43043, 43615, 61061, 91805, 144265, 170495, 201971, 215215, 238693, 305305, 375089, 1009855, 1193465, 1875445, 2625623, 13128115]

約数ペア:

[(1, 13128115), (5, 2625623), (7, 1875445), (11, 1193465), (13, 1009855), (35, 375089), (43, 305305), (55, 238693), (61, 215215), (65, 201971), (77, 170495), (91, 144265), (143, 91805), (215, 61061), (301, 43615), (305, 43043), (385, 34099), (427, 30745), (455, 28853), (473, 27755), (559, 23485), (671, 19565), (715, 18361), (793, 16555), (1001, 13115), (1505, 8723), (2135, 6149), (2365, 5551), (2623, 5005), (2795, 4697), (3311, 3965), (3355, 3913)]