389621752

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{269}}^1\times {\mathrm{733}}^1$

素因数の和:1040

約数の個数: 64

約数和(自身を含む): 832356000

約数和(自身を除く): 442734248

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 269, 494, 538, 733, 988, 1076, 1466, 1976, 2152, 2932, 3497, 5111, 5864, 6994, 9529, 10222, 13927, 13988, 19058, 20444, 27854, 27976, 38116, 40888, 55708, 66443, 76232, 111416, 132886, 181051, 197177, 265772, 362102, 394354, 531544, 724204, 788708, 1448408, 1577416, 2563301, 3746363, 5126602, 7492726, 10253204, 14985452, 20506408, 29970904, 48702719, 97405438, 194810876, 389621752]

約数ペア:

[(1, 389621752), (2, 194810876), (4, 97405438), (8, 48702719), (13, 29970904), (19, 20506408), (26, 14985452), (38, 10253204), (52, 7492726), (76, 5126602), (104, 3746363), (152, 2563301), (247, 1577416), (269, 1448408), (494, 788708), (538, 724204), (733, 531544), (988, 394354), (1076, 362102), (1466, 265772), (1976, 197177), (2152, 181051), (2932, 132886), (3497, 111416), (5111, 76232), (5864, 66443), (6994, 55708), (9529, 40888), (10222, 38116), (13927, 27976), (13988, 27854), (19058, 20444)]