128856

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1$

素因数の和:88

約数の個数: 64

約数和(自身を含む): 403200

約数和(自身を除く): 274344

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 52, 56, 59, 78, 84, 91, 104, 118, 156, 168, 177, 182, 236, 273, 312, 354, 364, 413, 472, 546, 708, 728, 767, 826, 1092, 1239, 1416, 1534, 1652, 2184, 2301, 2478, 3068, 3304, 4602, 4956, 5369, 6136, 9204, 9912, 10738, 16107, 18408, 21476, 32214, 42952, 64428, 128856]

約数ペア:

[(1, 128856), (2, 64428), (3, 42952), (4, 32214), (6, 21476), (7, 18408), (8, 16107), (12, 10738), (13, 9912), (14, 9204), (21, 6136), (24, 5369), (26, 4956), (28, 4602), (39, 3304), (42, 3068), (52, 2478), (56, 2301), (59, 2184), (78, 1652), (84, 1534), (91, 1416), (104, 1239), (118, 1092), (156, 826), (168, 767), (177, 728), (182, 708), (236, 546), (273, 472), (312, 413), (354, 364)]