278326906

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{461}}^1\times {\mathrm{2111}}^1$

素因数の和:2598

約数の個数: 32

約数和(自身を含む): 491774976

約数和(自身を除く): 213448070

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 461, 922, 2111, 4222, 5071, 5993, 10142, 11986, 23221, 27443, 46442, 54886, 65923, 131846, 301873, 603746, 973171, 1946342, 10704881, 12651223, 21409762, 25302446, 139163453, 278326906]

約数ペア:

[(1, 278326906), (2, 139163453), (11, 25302446), (13, 21409762), (22, 12651223), (26, 10704881), (143, 1946342), (286, 973171), (461, 603746), (922, 301873), (2111, 131846), (4222, 65923), (5071, 54886), (5993, 46442), (10142, 27443), (11986, 23221)]