2017788784

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{309857}}^1$

素因数の和:309913

約数の個数: 40

約数和(自身を含む): 4380152688

約数和(自身を除く): 2362363904

約数列:

[1, 2, 4, 8, 11, 16, 22, 37, 44, 74, 88, 148, 176, 296, 407, 592, 814, 1628, 3256, 6512, 309857, 619714, 1239428, 2478856, 3408427, 4957712, 6816854, 11464709, 13633708, 22929418, 27267416, 45858836, 54534832, 91717672, 126111799, 183435344, 252223598, 504447196, 1008894392, 2017788784]

約数ペア:

[(1, 2017788784), (2, 1008894392), (4, 504447196), (8, 252223598), (11, 183435344), (16, 126111799), (22, 91717672), (37, 54534832), (44, 45858836), (74, 27267416), (88, 22929418), (148, 13633708), (176, 11464709), (296, 6816854), (407, 4957712), (592, 3408427), (814, 2478856), (1628, 1239428), (3256, 619714), (6512, 309857)]