216804979

素因数分解:

${\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{179}}^1\times {\mathrm{439}}^1$

素因数の和:738

約数の個数: 16

約数和(自身を含む): 228096000

約数和(自身を除く): 11291021

約数列:

[1, 31, 89, 179, 439, 2759, 5549, 13609, 15931, 39071, 78581, 493861, 1211201, 2436011, 6993709, 216804979]

約数ペア:

[(1, 216804979), (31, 6993709), (89, 2436011), (179, 1211201), (439, 493861), (2759, 78581), (5549, 39071), (13609, 15931)]