64633972

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{65419}}^1$

素因数の和:65455

約数の個数: 24

約数和(自身を含む): 128223200

約数和(自身を除く): 63589228

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 65419, 130838, 261676, 850447, 1242961, 1700894, 2485922, 3401788, 4971844, 16158493, 32316986, 64633972]

約数ペア:

[(1, 64633972), (2, 32316986), (4, 16158493), (13, 4971844), (19, 3401788), (26, 2485922), (38, 1700894), (52, 1242961), (76, 850447), (247, 261676), (494, 130838), (988, 65419)]