28890216

素因数分解:

$2^3\times 3^3\times {\mathrm{131}}^1\times {\mathrm{1021}}^1$

素因数の和:1167

約数の個数: 64

約数和(自身を含む): 80942400

約数和(自身を除く): 52052184

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 131, 216, 262, 393, 524, 786, 1021, 1048, 1179, 1572, 2042, 2358, 3063, 3144, 3537, 4084, 4716, 6126, 7074, 8168, 9189, 9432, 12252, 14148, 18378, 24504, 27567, 28296, 36756, 55134, 73512, 110268, 133751, 220536, 267502, 401253, 535004, 802506, 1070008, 1203759, 1605012, 2407518, 3210024, 3611277, 4815036, 7222554, 9630072, 14445108, 28890216]

約数ペア:

[(1, 28890216), (2, 14445108), (3, 9630072), (4, 7222554), (6, 4815036), (8, 3611277), (9, 3210024), (12, 2407518), (18, 1605012), (24, 1203759), (27, 1070008), (36, 802506), (54, 535004), (72, 401253), (108, 267502), (131, 220536), (216, 133751), (262, 110268), (393, 73512), (524, 55134), (786, 36756), (1021, 28296), (1048, 27567), (1179, 24504), (1572, 18378), (2042, 14148), (2358, 12252), (3063, 9432), (3144, 9189), (3537, 8168), (4084, 7074), (4716, 6126)]