389631944

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{577}}^1$

素因数の和:790

約数の個数: 64

約数和(自身を含む): 811789440

約数和(自身を除く): 422157496

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 86, 104, 151, 172, 302, 344, 559, 577, 604, 1118, 1154, 1208, 1963, 2236, 2308, 3926, 4472, 4616, 6493, 7501, 7852, 12986, 15002, 15704, 24811, 25972, 30004, 49622, 51944, 60008, 84409, 87127, 99244, 168818, 174254, 198488, 322543, 337636, 348508, 645086, 675272, 697016, 1132651, 1290172, 2265302, 2580344, 3746461, 4530604, 7492922, 9061208, 14985844, 29971688, 48703993, 97407986, 194815972, 389631944]

約数ペア:

[(1, 389631944), (2, 194815972), (4, 97407986), (8, 48703993), (13, 29971688), (26, 14985844), (43, 9061208), (52, 7492922), (86, 4530604), (104, 3746461), (151, 2580344), (172, 2265302), (302, 1290172), (344, 1132651), (559, 697016), (577, 675272), (604, 645086), (1118, 348508), (1154, 337636), (1208, 322543), (1963, 198488), (2236, 174254), (2308, 168818), (3926, 99244), (4472, 87127), (4616, 84409), (6493, 60008), (7501, 51944), (7852, 49622), (12986, 30004), (15002, 25972), (15704, 24811)]