218996869

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{5507}}^1$

素因数の和:5569

約数の個数: 32

約数和(自身を含む): 296110080

約数和(自身を除く): 77113211

約数列:

[1, 7, 13, 19, 23, 91, 133, 161, 247, 299, 437, 1729, 2093, 3059, 5507, 5681, 38549, 39767, 71591, 104633, 126661, 501137, 732431, 886627, 1360229, 1646593, 2406559, 9521603, 11526151, 16845913, 31285267, 218996869]

約数ペア:

[(1, 218996869), (7, 31285267), (13, 16845913), (19, 11526151), (23, 9521603), (91, 2406559), (133, 1646593), (161, 1360229), (247, 886627), (299, 732431), (437, 501137), (1729, 126661), (2093, 104633), (3059, 71591), (5507, 39767), (5681, 38549)]