16520872

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{331}}^1\times {\mathrm{367}}^1$

素因数の和:721

約数の個数: 32

約数和(自身を含む): 32987520

約数和(自身を除く): 16466648

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 331, 367, 662, 734, 1324, 1468, 2648, 2936, 5627, 6239, 11254, 12478, 22508, 24956, 45016, 49912, 121477, 242954, 485908, 971816, 2065109, 4130218, 8260436, 16520872]

約数ペア:

[(1, 16520872), (2, 8260436), (4, 4130218), (8, 2065109), (17, 971816), (34, 485908), (68, 242954), (136, 121477), (331, 49912), (367, 45016), (662, 24956), (734, 22508), (1324, 12478), (1468, 11254), (2648, 6239), (2936, 5627)]