638049508

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{193}}^1\times {\mathrm{797}}^1$

素因数の和:1072

約数の個数: 48

約数和(自身を含む): 1209391344

約数和(自身を除く): 571341836

約数列:

[1, 2, 4, 17, 34, 61, 68, 122, 193, 244, 386, 772, 797, 1037, 1594, 2074, 3188, 3281, 4148, 6562, 11773, 13124, 13549, 23546, 27098, 47092, 48617, 54196, 97234, 153821, 194468, 200141, 307642, 400282, 615284, 800564, 826489, 1652978, 2614957, 3305956, 5229914, 9383081, 10459828, 18766162, 37532324, 159512377, 319024754, 638049508]

約数ペア:

[(1, 638049508), (2, 319024754), (4, 159512377), (17, 37532324), (34, 18766162), (61, 10459828), (68, 9383081), (122, 5229914), (193, 3305956), (244, 2614957), (386, 1652978), (772, 826489), (797, 800564), (1037, 615284), (1594, 400282), (2074, 307642), (3188, 200141), (3281, 194468), (4148, 153821), (6562, 97234), (11773, 54196), (13124, 48617), (13549, 47092), (23546, 27098)]