40744478

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^2\times {\mathrm{43}}^1$

素因数の和:153

約数の個数: 48

約数和(自身を含む): 70781040

約数和(自身を除く): 30036562

約数列:

[1, 2, 17, 29, 31, 34, 43, 58, 62, 86, 493, 527, 731, 899, 961, 986, 1054, 1247, 1333, 1462, 1798, 1922, 2494, 2666, 15283, 16337, 21199, 22661, 27869, 30566, 32674, 38657, 41323, 42398, 45322, 55738, 77314, 82646, 473773, 657169, 702491, 947546, 1198367, 1314338, 1404982, 2396734, 20372239, 40744478]

約数ペア:

[(1, 40744478), (2, 20372239), (17, 2396734), (29, 1404982), (31, 1314338), (34, 1198367), (43, 947546), (58, 702491), (62, 657169), (86, 473773), (493, 82646), (527, 77314), (731, 55738), (899, 45322), (961, 42398), (986, 41323), (1054, 38657), (1247, 32674), (1333, 30566), (1462, 27869), (1798, 22661), (1922, 21199), (2494, 16337), (2666, 15283)]