71644468

素因数分解:

$2^2\times 7^3\times {\mathrm{79}}^1\times {\mathrm{661}}^1$

素因数の和:765

約数の個数: 48

約数和(自身を含む): 148288000

約数和(自身を除く): 76643532

約数列:

[1, 2, 4, 7, 14, 28, 49, 79, 98, 158, 196, 316, 343, 553, 661, 686, 1106, 1322, 1372, 2212, 2644, 3871, 4627, 7742, 9254, 15484, 18508, 27097, 32389, 52219, 54194, 64778, 104438, 108388, 129556, 208876, 226723, 365533, 453446, 731066, 906892, 1462132, 2558731, 5117462, 10234924, 17911117, 35822234, 71644468]

約数ペア:

[(1, 71644468), (2, 35822234), (4, 17911117), (7, 10234924), (14, 5117462), (28, 2558731), (49, 1462132), (79, 906892), (98, 731066), (158, 453446), (196, 365533), (316, 226723), (343, 208876), (553, 129556), (661, 108388), (686, 104438), (1106, 64778), (1322, 54194), (1372, 52219), (2212, 32389), (2644, 27097), (3871, 18508), (4627, 15484), (7742, 9254)]