16908485

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{211}}^1$

素因数の和:305

約数の個数: 32

約数和(自身を含む): 23445504

約数和(自身を除く): 6537019

約数列:

[1, 5, 11, 31, 47, 55, 155, 211, 235, 341, 517, 1055, 1457, 1705, 2321, 2585, 6541, 7285, 9917, 11605, 16027, 32705, 49585, 71951, 80135, 109087, 307427, 359755, 545435, 1537135, 3381697, 16908485]

約数ペア:

[(1, 16908485), (5, 3381697), (11, 1537135), (31, 545435), (47, 359755), (55, 307427), (155, 109087), (211, 80135), (235, 71951), (341, 49585), (517, 32705), (1055, 16027), (1457, 11605), (1705, 9917), (2321, 7285), (2585, 6541)]