81380348

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{1181}}^1$

素因数の和:1322

約数の個数: 48

約数和(自身を含む): 171569664

約数和(自身を除く): 90189316

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 107, 161, 214, 322, 428, 644, 749, 1181, 1498, 2362, 2461, 2996, 4724, 4922, 8267, 9844, 16534, 17227, 27163, 33068, 34454, 54326, 68908, 108652, 126367, 190141, 252734, 380282, 505468, 760564, 884569, 1769138, 2906441, 3538276, 5812882, 11625764, 20345087, 40690174, 81380348]

約数ペア:

[(1, 81380348), (2, 40690174), (4, 20345087), (7, 11625764), (14, 5812882), (23, 3538276), (28, 2906441), (46, 1769138), (92, 884569), (107, 760564), (161, 505468), (214, 380282), (322, 252734), (428, 190141), (644, 126367), (749, 108652), (1181, 68908), (1498, 54326), (2362, 34454), (2461, 33068), (2996, 27163), (4724, 17227), (4922, 16534), (8267, 9844)]