81760912

素因数分解:

$2^4\times {\mathrm{97}}^1\times {\mathrm{139}}^1\times {\mathrm{379}}^1$

素因数の和:623

約数の個数: 40

約数和(自身を含む): 161621600

約数和(自身を除く): 79860688

約数列:

[1, 2, 4, 8, 16, 97, 139, 194, 278, 379, 388, 556, 758, 776, 1112, 1516, 1552, 2224, 3032, 6064, 13483, 26966, 36763, 52681, 53932, 73526, 105362, 107864, 147052, 210724, 215728, 294104, 421448, 588208, 842896, 5110057, 10220114, 20440228, 40880456, 81760912]

約数ペア:

[(1, 81760912), (2, 40880456), (4, 20440228), (8, 10220114), (16, 5110057), (97, 842896), (139, 588208), (194, 421448), (278, 294104), (379, 215728), (388, 210724), (556, 147052), (758, 107864), (776, 105362), (1112, 73526), (1516, 53932), (1552, 52681), (2224, 36763), (3032, 26966), (6064, 13483)]