1690615

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{241}}^1$

素因数の和:330

約数の個数: 16

約数和(自身を含む): 2160576

約数和(自身を除く): 469961

約数列:

[1, 5, 23, 61, 115, 241, 305, 1205, 1403, 5543, 7015, 14701, 27715, 73505, 338123, 1690615]

約数ペア:

[(1, 1690615), (5, 338123), (23, 73505), (61, 27715), (115, 14701), (241, 7015), (305, 5543), (1205, 1403)]