668399264

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{607}}^1\times {\mathrm{2647}}^1$

素因数の和:3277

約数の個数: 48

約数和(自身を含む): 1420005888

約数和(自身を除く): 751606624

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 607, 1214, 2428, 2647, 4856, 5294, 7891, 9712, 10588, 15782, 19424, 21176, 31564, 34411, 42352, 63128, 68822, 84704, 126256, 137644, 252512, 275288, 550576, 1101152, 1606729, 3213458, 6426916, 12853832, 20887477, 25707664, 41774954, 51415328, 83549908, 167099816, 334199632, 668399264]

約数ペア:

[(1, 668399264), (2, 334199632), (4, 167099816), (8, 83549908), (13, 51415328), (16, 41774954), (26, 25707664), (32, 20887477), (52, 12853832), (104, 6426916), (208, 3213458), (416, 1606729), (607, 1101152), (1214, 550576), (2428, 275288), (2647, 252512), (4856, 137644), (5294, 126256), (7891, 84704), (9712, 68822), (10588, 63128), (15782, 42352), (19424, 34411), (21176, 31564)]