388664835

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{523}}^1$

素因数の和:684

約数の個数: 64

約数和(自身を含む): 695804928

約数和(自身を除く): 307140093

約数列:

[1, 3, 5, 13, 15, 37, 39, 65, 103, 111, 185, 195, 309, 481, 515, 523, 555, 1339, 1443, 1545, 1569, 2405, 2615, 3811, 4017, 6695, 6799, 7215, 7845, 11433, 19055, 19351, 20085, 20397, 33995, 49543, 53869, 57165, 58053, 96755, 101985, 148629, 161607, 247715, 251563, 269345, 290265, 700297, 743145, 754689, 808035, 1257815, 1993153, 2100891, 3501485, 3773445, 5979459, 9965765, 10504455, 25910989, 29897295, 77732967, 129554945, 388664835]

約数ペア:

[(1, 388664835), (3, 129554945), (5, 77732967), (13, 29897295), (15, 25910989), (37, 10504455), (39, 9965765), (65, 5979459), (103, 3773445), (111, 3501485), (185, 2100891), (195, 1993153), (309, 1257815), (481, 808035), (515, 754689), (523, 743145), (555, 700297), (1339, 290265), (1443, 269345), (1545, 251563), (1569, 247715), (2405, 161607), (2615, 148629), (3811, 101985), (4017, 96755), (6695, 58053), (6799, 57165), (7215, 53869), (7845, 49543), (11433, 33995), (19055, 20397), (19351, 20085)]