28876554

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{79}}^1\times {\mathrm{967}}^1$

素因数の和:1064

約数の個数: 64

約数和(自身を含む): 74342400

約数和(自身を除く): 45465846

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 79, 126, 158, 189, 237, 378, 474, 553, 711, 967, 1106, 1422, 1659, 1934, 2133, 2901, 3318, 4266, 4977, 5802, 6769, 8703, 9954, 13538, 14931, 17406, 20307, 26109, 29862, 40614, 52218, 60921, 76393, 121842, 152786, 182763, 229179, 365526, 458358, 534751, 687537, 1069502, 1375074, 1604253, 2062611, 3208506, 4125222, 4812759, 9625518, 14438277, 28876554]

約数ペア:

[(1, 28876554), (2, 14438277), (3, 9625518), (6, 4812759), (7, 4125222), (9, 3208506), (14, 2062611), (18, 1604253), (21, 1375074), (27, 1069502), (42, 687537), (54, 534751), (63, 458358), (79, 365526), (126, 229179), (158, 182763), (189, 152786), (237, 121842), (378, 76393), (474, 60921), (553, 52218), (711, 40614), (967, 29862), (1106, 26109), (1422, 20307), (1659, 17406), (1934, 14931), (2133, 13538), (2901, 9954), (3318, 8703), (4266, 6769), (4977, 5802)]