26686772

素因数分解:

$2^2\times 7^3\times {\mathrm{53}}^1\times {\mathrm{367}}^1$

素因数の和:445

約数の個数: 48

約数和(自身を含む): 55641600

約数和(自身を除く): 28954828

約数列:

[1, 2, 4, 7, 14, 28, 49, 53, 98, 106, 196, 212, 343, 367, 371, 686, 734, 742, 1372, 1468, 1484, 2569, 2597, 5138, 5194, 10276, 10388, 17983, 18179, 19451, 35966, 36358, 38902, 71932, 72716, 77804, 125881, 136157, 251762, 272314, 503524, 544628, 953099, 1906198, 3812396, 6671693, 13343386, 26686772]

約数ペア:

[(1, 26686772), (2, 13343386), (4, 6671693), (7, 3812396), (14, 1906198), (28, 953099), (49, 544628), (53, 503524), (98, 272314), (106, 251762), (196, 136157), (212, 125881), (343, 77804), (367, 72716), (371, 71932), (686, 38902), (734, 36358), (742, 35966), (1372, 19451), (1468, 18179), (1484, 17983), (2569, 10388), (2597, 10276), (5138, 5194)]