64720136

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{653}}^1\times {\mathrm{953}}^1$

素因数の和:1625

約数の個数: 32

約数和(自身を含む): 131022360

約数和(自身を除く): 66302224

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 653, 953, 1306, 1906, 2612, 3812, 5224, 7624, 8489, 12389, 16978, 24778, 33956, 49556, 67912, 99112, 622309, 1244618, 2489236, 4978472, 8090017, 16180034, 32360068, 64720136]

約数ペア:

[(1, 64720136), (2, 32360068), (4, 16180034), (8, 8090017), (13, 4978472), (26, 2489236), (52, 1244618), (104, 622309), (653, 99112), (953, 67912), (1306, 49556), (1906, 33956), (2612, 24778), (3812, 16978), (5224, 12389), (7624, 8489)]