1980174352

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{23623}}^1$

素因数の和:23688

約数の個数: 60

約数和(自身を含む): 4288606464

約数和(自身を除く): 2308432112

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 169, 208, 248, 338, 403, 496, 676, 806, 1352, 1612, 2704, 3224, 5239, 6448, 10478, 20956, 23623, 41912, 47246, 83824, 94492, 188984, 307099, 377968, 614198, 732313, 1228396, 1464626, 2456792, 2929252, 3992287, 4913584, 5858504, 7984574, 9520069, 11717008, 15969148, 19040138, 31938296, 38080276, 63876592, 76160552, 123760897, 152321104, 247521794, 495043588, 990087176, 1980174352]

約数ペア:

[(1, 1980174352), (2, 990087176), (4, 495043588), (8, 247521794), (13, 152321104), (16, 123760897), (26, 76160552), (31, 63876592), (52, 38080276), (62, 31938296), (104, 19040138), (124, 15969148), (169, 11717008), (208, 9520069), (248, 7984574), (338, 5858504), (403, 4913584), (496, 3992287), (676, 2929252), (806, 2456792), (1352, 1464626), (1612, 1228396), (2704, 732313), (3224, 614198), (5239, 377968), (6448, 307099), (10478, 188984), (20956, 94492), (23623, 83824), (41912, 47246)]