207936418

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{409}}^1\times {\mathrm{787}}^1$

素因数の和:1234

約数の個数: 32

約数和(自身を含む): 348926400

約数和(自身を除く): 140989982

約数列:

[1, 2, 17, 19, 34, 38, 323, 409, 646, 787, 818, 1574, 6953, 7771, 13379, 13906, 14953, 15542, 26758, 29906, 132107, 254201, 264214, 321883, 508402, 643766, 5472011, 6115777, 10944022, 12231554, 103968209, 207936418]

約数ペア:

[(1, 207936418), (2, 103968209), (17, 12231554), (19, 10944022), (34, 6115777), (38, 5472011), (323, 643766), (409, 508402), (646, 321883), (787, 264214), (818, 254201), (1574, 132107), (6953, 29906), (7771, 26758), (13379, 15542), (13906, 14953)]