161475034544

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{72605681}}^1$

素因数の和:72605828

約数の個数: 20

約数和(自身を含む): 315108659880

約数和(自身を除く): 153633625336

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 72605681, 145211362, 290422724, 580845448, 1161690896, 10092189659, 20184379318, 40368758636, 80737517272, 161475034544]

約数ペア:

[(1, 161475034544), (2, 80737517272), (4, 40368758636), (8, 20184379318), (16, 10092189659), (139, 1161690896), (278, 580845448), (556, 290422724), (1112, 145211362), (2224, 72605681)]