71288368

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{53681}}^1$

素因数の和:53772

約数の個数: 20

約数和(自身を含む): 139787928

約数和(自身を除く): 68499560

約数列:

[1, 2, 4, 8, 16, 83, 166, 332, 664, 1328, 53681, 107362, 214724, 429448, 858896, 4455523, 8911046, 17822092, 35644184, 71288368]

約数ペア:

[(1, 71288368), (2, 35644184), (4, 17822092), (8, 8911046), (16, 4455523), (83, 858896), (166, 429448), (332, 214724), (664, 107362), (1328, 53681)]