68888666

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1$

素因数の和:267

約数の個数: 64

約数和(自身を含む): 134424576

約数和(自身を除く): 65535910

約数列:

[1, 2, 7, 11, 14, 22, 43, 77, 86, 101, 103, 154, 202, 206, 301, 473, 602, 707, 721, 946, 1111, 1133, 1414, 1442, 2222, 2266, 3311, 4343, 4429, 6622, 7777, 7931, 8686, 8858, 10403, 15554, 15862, 20806, 30401, 31003, 47773, 48719, 60802, 62006, 72821, 95546, 97438, 114433, 145642, 228866, 334411, 341033, 447329, 668822, 682066, 801031, 894658, 1602062, 3131303, 4920619, 6262606, 9841238, 34444333, 68888666]

約数ペア:

[(1, 68888666), (2, 34444333), (7, 9841238), (11, 6262606), (14, 4920619), (22, 3131303), (43, 1602062), (77, 894658), (86, 801031), (101, 682066), (103, 668822), (154, 447329), (202, 341033), (206, 334411), (301, 228866), (473, 145642), (602, 114433), (707, 97438), (721, 95546), (946, 72821), (1111, 62006), (1133, 60802), (1414, 48719), (1442, 47773), (2222, 31003), (2266, 30401), (3311, 20806), (4343, 15862), (4429, 15554), (6622, 10403), (7777, 8858), (7931, 8686)]