991278

素因数分解:

$2^1\times 3^4\times {\mathrm{29}}^1\times {\mathrm{211}}^1$

素因数の和:254

約数の個数: 40

約数和(自身を含む): 2308680

約数和(自身を除く): 1317402

約数列:

[1, 2, 3, 6, 9, 18, 27, 29, 54, 58, 81, 87, 162, 174, 211, 261, 422, 522, 633, 783, 1266, 1566, 1899, 2349, 3798, 4698, 5697, 6119, 11394, 12238, 17091, 18357, 34182, 36714, 55071, 110142, 165213, 330426, 495639, 991278]

約数ペア:

[(1, 991278), (2, 495639), (3, 330426), (6, 165213), (9, 110142), (18, 55071), (27, 36714), (29, 34182), (54, 18357), (58, 17091), (81, 12238), (87, 11394), (162, 6119), (174, 5697), (211, 4698), (261, 3798), (422, 2349), (522, 1899), (633, 1566), (783, 1266)]