4139442

素因数分解:

$2^1\times 3^2\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:199

約数の個数: 48

約数和(自身を含む): 9434880

約数和(自身を除く): 5295438

約数列:

[1, 2, 3, 6, 9, 18, 41, 71, 79, 82, 123, 142, 158, 213, 237, 246, 369, 426, 474, 639, 711, 738, 1278, 1422, 2911, 3239, 5609, 5822, 6478, 8733, 9717, 11218, 16827, 17466, 19434, 26199, 29151, 33654, 50481, 52398, 58302, 100962, 229969, 459938, 689907, 1379814, 2069721, 4139442]

約数ペア:

[(1, 4139442), (2, 2069721), (3, 1379814), (6, 689907), (9, 459938), (18, 229969), (41, 100962), (71, 58302), (79, 52398), (82, 50481), (123, 33654), (142, 29151), (158, 26199), (213, 19434), (237, 17466), (246, 16827), (369, 11218), (426, 9717), (474, 8733), (639, 6478), (711, 5822), (738, 5609), (1278, 3239), (1422, 2911)]