1686842444

素因数分解:

$2^2\times 7^3\times {\mathrm{79}}^2\times {\mathrm{197}}^1$

素因数の和:380

約数の個数: 72

約数和(自身を含む): 3504362400

約数和(自身を除く): 1817519956

約数列:

[1, 2, 4, 7, 14, 28, 49, 79, 98, 158, 196, 197, 316, 343, 394, 553, 686, 788, 1106, 1372, 1379, 2212, 2758, 3871, 5516, 6241, 7742, 9653, 12482, 15484, 15563, 19306, 24964, 27097, 31126, 38612, 43687, 54194, 62252, 67571, 87374, 108388, 108941, 135142, 174748, 217882, 270284, 305809, 435764, 611618, 762587, 1223236, 1229477, 1525174, 2140663, 2458954, 3050348, 4281326, 4917908, 5338109, 8562652, 8606339, 10676218, 17212678, 21352436, 34425356, 60244373, 120488746, 240977492, 421710611, 843421222, 1686842444]

約数ペア:

[(1, 1686842444), (2, 843421222), (4, 421710611), (7, 240977492), (14, 120488746), (28, 60244373), (49, 34425356), (79, 21352436), (98, 17212678), (158, 10676218), (196, 8606339), (197, 8562652), (316, 5338109), (343, 4917908), (394, 4281326), (553, 3050348), (686, 2458954), (788, 2140663), (1106, 1525174), (1372, 1229477), (1379, 1223236), (2212, 762587), (2758, 611618), (3871, 435764), (5516, 305809), (6241, 270284), (7742, 217882), (9653, 174748), (12482, 135142), (15484, 108941), (15563, 108388), (19306, 87374), (24964, 67571), (27097, 62252), (31126, 54194), (38612, 43687)]