16940105

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1201}}^1$

素因数の和:1257

約数の個数: 32

約数和(自身を含む): 25847808

約数和(自身を除く): 8907703

約数列:

[1, 5, 7, 13, 31, 35, 65, 91, 155, 217, 403, 455, 1085, 1201, 2015, 2821, 6005, 8407, 14105, 15613, 37231, 42035, 78065, 109291, 186155, 260617, 484003, 546455, 1303085, 2420015, 3388021, 16940105]

約数ペア:

[(1, 16940105), (5, 3388021), (7, 2420015), (13, 1303085), (31, 546455), (35, 484003), (65, 260617), (91, 186155), (155, 109291), (217, 78065), (403, 42035), (455, 37231), (1085, 15613), (1201, 14105), (2015, 8407), (2821, 6005)]