221416756

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1\times {\mathrm{599}}^1$

素因数の和:916

約数の個数: 48

約数和(自身を含む): 438681600

約数和(自身を除く): 217264844

約数列:

[1, 2, 4, 11, 22, 31, 44, 62, 124, 271, 341, 542, 599, 682, 1084, 1198, 1364, 2396, 2981, 5962, 6589, 8401, 11924, 13178, 16802, 18569, 26356, 33604, 37138, 74276, 92411, 162329, 184822, 204259, 324658, 369644, 408518, 649316, 817036, 1785619, 3571238, 5032199, 7142476, 10064398, 20128796, 55354189, 110708378, 221416756]

約数ペア:

[(1, 221416756), (2, 110708378), (4, 55354189), (11, 20128796), (22, 10064398), (31, 7142476), (44, 5032199), (62, 3571238), (124, 1785619), (271, 817036), (341, 649316), (542, 408518), (599, 369644), (682, 324658), (1084, 204259), (1198, 184822), (1364, 162329), (2396, 92411), (2981, 74276), (5962, 37138), (6589, 33604), (8401, 26356), (11924, 18569), (13178, 16802)]