90121216

素因数分解:

$2^{10}\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1$

素因数の和:235

約数の個数: 88

約数和(自身を含む): 198084096

約数和(自身を除く): 107962880

約数列:

[1, 2, 4, 8, 16, 17, 31, 32, 34, 62, 64, 68, 124, 128, 136, 167, 248, 256, 272, 334, 496, 512, 527, 544, 668, 992, 1024, 1054, 1088, 1336, 1984, 2108, 2176, 2672, 2839, 3968, 4216, 4352, 5177, 5344, 5678, 7936, 8432, 8704, 10354, 10688, 11356, 15872, 16864, 17408, 20708, 21376, 22712, 31744, 33728, 41416, 42752, 45424, 67456, 82832, 85504, 88009, 90848, 134912, 165664, 171008, 176018, 181696, 269824, 331328, 352036, 363392, 539648, 662656, 704072, 726784, 1325312, 1408144, 1453568, 2650624, 2816288, 2907136, 5301248, 5632576, 11265152, 22530304, 45060608, 90121216]

約数ペア:

[(1, 90121216), (2, 45060608), (4, 22530304), (8, 11265152), (16, 5632576), (17, 5301248), (31, 2907136), (32, 2816288), (34, 2650624), (62, 1453568), (64, 1408144), (68, 1325312), (124, 726784), (128, 704072), (136, 662656), (167, 539648), (248, 363392), (256, 352036), (272, 331328), (334, 269824), (496, 181696), (512, 176018), (527, 171008), (544, 165664), (668, 134912), (992, 90848), (1024, 88009), (1054, 85504), (1088, 82832), (1336, 67456), (1984, 45424), (2108, 42752), (2176, 41416), (2672, 33728), (2839, 31744), (3968, 22712), (4216, 21376), (4352, 20708), (5177, 17408), (5344, 16864), (5678, 15872), (7936, 11356), (8432, 10688), (8704, 10354)]