16782730

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{173}}^1$

素因数の和:378

約数の個数: 32

約数和(自身を含む): 31006800

約数和(自身を除く): 14224070

約数列:

[1, 2, 5, 10, 89, 109, 173, 178, 218, 346, 445, 545, 865, 890, 1090, 1730, 9701, 15397, 18857, 19402, 30794, 37714, 48505, 76985, 94285, 97010, 153970, 188570, 1678273, 3356546, 8391365, 16782730]

約数ペア:

[(1, 16782730), (2, 8391365), (5, 3356546), (10, 1678273), (89, 188570), (109, 153970), (173, 97010), (178, 94285), (218, 76985), (346, 48505), (445, 37714), (545, 30794), (865, 19402), (890, 18857), (1090, 15397), (1730, 9701)]