80319356

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{2113}}^1$

素因数の和:2190

約数の個数: 48

約数和(自身を含む): 164080224

約数和(自身を除く): 83760868

約数列:

[1, 2, 4, 13, 17, 26, 34, 43, 52, 68, 86, 172, 221, 442, 559, 731, 884, 1118, 1462, 2113, 2236, 2924, 4226, 8452, 9503, 19006, 27469, 35921, 38012, 54938, 71842, 90859, 109876, 143684, 181718, 363436, 466973, 933946, 1181167, 1544603, 1867892, 2362334, 3089206, 4724668, 6178412, 20079839, 40159678, 80319356]

約数ペア:

[(1, 80319356), (2, 40159678), (4, 20079839), (13, 6178412), (17, 4724668), (26, 3089206), (34, 2362334), (43, 1867892), (52, 1544603), (68, 1181167), (86, 933946), (172, 466973), (221, 363436), (442, 181718), (559, 143684), (731, 109876), (884, 90859), (1118, 71842), (1462, 54938), (2113, 38012), (2236, 35921), (2924, 27469), (4226, 19006), (8452, 9503)]