31813144

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{359}}^1$

素因数の和:448

約数の個数: 64

約数和(自身を含む): 69984000

約数和(自身を除く): 38170856

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 53, 76, 88, 106, 152, 209, 212, 359, 418, 424, 583, 718, 836, 1007, 1166, 1436, 1672, 2014, 2332, 2872, 3949, 4028, 4664, 6821, 7898, 8056, 11077, 13642, 15796, 19027, 22154, 27284, 31592, 38054, 44308, 54568, 75031, 76108, 88616, 150062, 152216, 209297, 300124, 361513, 418594, 600248, 723026, 837188, 1446052, 1674376, 2892104, 3976643, 7953286, 15906572, 31813144]

約数ペア:

[(1, 31813144), (2, 15906572), (4, 7953286), (8, 3976643), (11, 2892104), (19, 1674376), (22, 1446052), (38, 837188), (44, 723026), (53, 600248), (76, 418594), (88, 361513), (106, 300124), (152, 209297), (209, 152216), (212, 150062), (359, 88616), (418, 76108), (424, 75031), (583, 54568), (718, 44308), (836, 38054), (1007, 31592), (1166, 27284), (1436, 22154), (1672, 19027), (2014, 15796), (2332, 13642), (2872, 11077), (3949, 8056), (4028, 7898), (4664, 6821)]