16391615

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{223}}^1\times {\mathrm{241}}^1$

素因数の和:530

約数の個数: 16

約数和(自身を含む): 20165376

約数和(自身を除く): 3773761

約数列:

[1, 5, 61, 223, 241, 305, 1115, 1205, 13603, 14701, 53743, 68015, 73505, 268715, 3278323, 16391615]

約数ペア:

[(1, 16391615), (5, 3278323), (61, 268715), (223, 73505), (241, 68015), (305, 53743), (1115, 14701), (1205, 13603)]