978889714

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{389}}^1\times {\mathrm{1069}}^1$

素因数の和:1578

約数の個数: 32

約数和(自身を含む): 1622462400

約数和(自身を除く): 643572686

約数列:

[1, 2, 11, 22, 107, 214, 389, 778, 1069, 1177, 2138, 2354, 4279, 8558, 11759, 23518, 41623, 83246, 114383, 228766, 415841, 457853, 831682, 915706, 1258213, 2516426, 4574251, 9148502, 44494987, 88989974, 489444857, 978889714]

約数ペア:

[(1, 978889714), (2, 489444857), (11, 88989974), (22, 44494987), (107, 9148502), (214, 4574251), (389, 2516426), (778, 1258213), (1069, 915706), (1177, 831682), (2138, 457853), (2354, 415841), (4279, 228766), (8558, 114383), (11759, 83246), (23518, 41623)]