2009012876

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{32009}}^1$

素因数の和:32114

約数の個数: 48

約数和(自身を含む): 4065526080

約数和(自身を除く): 2056513204

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 71, 142, 221, 284, 442, 884, 923, 1207, 1846, 2414, 3692, 4828, 15691, 31382, 32009, 62764, 64018, 128036, 416117, 544153, 832234, 1088306, 1664468, 2176612, 2272639, 4545278, 7073989, 9090556, 14147978, 28295956, 29544307, 38634863, 59088614, 77269726, 118177228, 154539452, 502253219, 1004506438, 2009012876]

約数ペア:

[(1, 2009012876), (2, 1004506438), (4, 502253219), (13, 154539452), (17, 118177228), (26, 77269726), (34, 59088614), (52, 38634863), (68, 29544307), (71, 28295956), (142, 14147978), (221, 9090556), (284, 7073989), (442, 4545278), (884, 2272639), (923, 2176612), (1207, 1664468), (1846, 1088306), (2414, 832234), (3692, 544153), (4828, 416117), (15691, 128036), (31382, 64018), (32009, 62764)]