129267944

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{65419}}^1$

素因数の和:65457

約数の個数: 32

約数和(自身を含む): 274764000

約数和(自身を除く): 145496056

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 65419, 130838, 261676, 523352, 850447, 1242961, 1700894, 2485922, 3401788, 4971844, 6803576, 9943688, 16158493, 32316986, 64633972, 129267944]

約数ペア:

[(1, 129267944), (2, 64633972), (4, 32316986), (8, 16158493), (13, 9943688), (19, 6803576), (26, 4971844), (38, 3401788), (52, 2485922), (76, 1700894), (104, 1242961), (152, 850447), (247, 523352), (494, 261676), (988, 130838), (1976, 65419)]