281609216

素因数分解:

$2^{10}\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2311}}^1$

素因数の和:2355

約数の個数: 88

約数和(自身を含む): 681503616

約数和(自身を除く): 399894400

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 64, 68, 112, 119, 128, 136, 224, 238, 256, 272, 448, 476, 512, 544, 896, 952, 1024, 1088, 1792, 1904, 2176, 2311, 3584, 3808, 4352, 4622, 7168, 7616, 8704, 9244, 15232, 16177, 17408, 18488, 30464, 32354, 36976, 39287, 60928, 64708, 73952, 78574, 121856, 129416, 147904, 157148, 258832, 275009, 295808, 314296, 517664, 550018, 591616, 628592, 1035328, 1100036, 1183232, 1257184, 2070656, 2200072, 2366464, 2514368, 4141312, 4400144, 5028736, 8282624, 8800288, 10057472, 16565248, 17600576, 20114944, 35201152, 40229888, 70402304, 140804608, 281609216]

約数ペア:

[(1, 281609216), (2, 140804608), (4, 70402304), (7, 40229888), (8, 35201152), (14, 20114944), (16, 17600576), (17, 16565248), (28, 10057472), (32, 8800288), (34, 8282624), (56, 5028736), (64, 4400144), (68, 4141312), (112, 2514368), (119, 2366464), (128, 2200072), (136, 2070656), (224, 1257184), (238, 1183232), (256, 1100036), (272, 1035328), (448, 628592), (476, 591616), (512, 550018), (544, 517664), (896, 314296), (952, 295808), (1024, 275009), (1088, 258832), (1792, 157148), (1904, 147904), (2176, 129416), (2311, 121856), (3584, 78574), (3808, 73952), (4352, 64708), (4622, 60928), (7168, 39287), (7616, 36976), (8704, 32354), (9244, 30464), (15232, 18488), (16177, 17408)]