256483332

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{9007}}^1$

素因数の和:9137

約数の個数: 72

約数和(自身を含む): 747591936

約数和(自身を除く): 491108604

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 113, 126, 226, 252, 339, 452, 678, 791, 1017, 1356, 1582, 2034, 2373, 3164, 4068, 4746, 7119, 9007, 9492, 14238, 18014, 27021, 28476, 36028, 54042, 63049, 81063, 108084, 126098, 162126, 189147, 252196, 324252, 378294, 567441, 756588, 1017791, 1134882, 2035582, 2269764, 3053373, 4071164, 6106746, 7124537, 9160119, 12213492, 14249074, 18320238, 21373611, 28498148, 36640476, 42747222, 64120833, 85494444, 128241666, 256483332]

約数ペア:

[(1, 256483332), (2, 128241666), (3, 85494444), (4, 64120833), (6, 42747222), (7, 36640476), (9, 28498148), (12, 21373611), (14, 18320238), (18, 14249074), (21, 12213492), (28, 9160119), (36, 7124537), (42, 6106746), (63, 4071164), (84, 3053373), (113, 2269764), (126, 2035582), (226, 1134882), (252, 1017791), (339, 756588), (452, 567441), (678, 378294), (791, 324252), (1017, 252196), (1356, 189147), (1582, 162126), (2034, 126098), (2373, 108084), (3164, 81063), (4068, 63049), (4746, 54042), (7119, 36028), (9007, 28476), (9492, 27021), (14238, 18014)]