16389205

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{241}}^1$

素因数の和:349

約数の個数: 32

約数和(自身を含む): 23696640

約数和(自身を除く): 7307435

約数列:

[1, 5, 7, 29, 35, 67, 145, 203, 241, 335, 469, 1015, 1205, 1687, 1943, 2345, 6989, 8435, 9715, 13601, 16147, 34945, 48923, 68005, 80735, 113029, 244615, 468263, 565145, 2341315, 3277841, 16389205]

約数ペア:

[(1, 16389205), (5, 3277841), (7, 2341315), (29, 565145), (35, 468263), (67, 244615), (145, 113029), (203, 80735), (241, 68005), (335, 48923), (469, 34945), (1015, 16147), (1205, 13601), (1687, 9715), (1943, 8435), (2345, 6989)]