668521764

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{3803}}^1$

素因数の和:4089

約数の個数: 72

約数和(自身を含む): 1786206240

約数和(自身を除く): 1117684476

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 257, 342, 514, 684, 771, 1028, 1542, 2313, 3084, 3803, 4626, 4883, 7606, 9252, 9766, 11409, 14649, 15212, 19532, 22818, 29298, 34227, 43947, 45636, 58596, 68454, 72257, 87894, 136908, 144514, 175788, 216771, 289028, 433542, 650313, 867084, 977371, 1300626, 1954742, 2601252, 2932113, 3909484, 5864226, 8796339, 11728452, 17592678, 18570049, 35185356, 37140098, 55710147, 74280196, 111420294, 167130441, 222840588, 334260882, 668521764]

約数ペア:

[(1, 668521764), (2, 334260882), (3, 222840588), (4, 167130441), (6, 111420294), (9, 74280196), (12, 55710147), (18, 37140098), (19, 35185356), (36, 18570049), (38, 17592678), (57, 11728452), (76, 8796339), (114, 5864226), (171, 3909484), (228, 2932113), (257, 2601252), (342, 1954742), (514, 1300626), (684, 977371), (771, 867084), (1028, 650313), (1542, 433542), (2313, 289028), (3084, 216771), (3803, 175788), (4626, 144514), (4883, 136908), (7606, 87894), (9252, 72257), (9766, 68454), (11409, 58596), (14649, 45636), (15212, 43947), (19532, 34227), (22818, 29298)]