28013824

素因数分解:

$2^8\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1$

素因数の和:231

約数の個数: 72

約数和(自身を含む): 61037928

約数和(自身を除く): 33024104

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 41, 64, 68, 82, 128, 136, 157, 164, 256, 272, 314, 328, 544, 628, 656, 697, 1088, 1256, 1312, 1394, 2176, 2512, 2624, 2669, 2788, 4352, 5024, 5248, 5338, 5576, 6437, 10048, 10496, 10676, 11152, 12874, 20096, 21352, 22304, 25748, 40192, 42704, 44608, 51496, 85408, 89216, 102992, 109429, 170816, 178432, 205984, 218858, 341632, 411968, 437716, 683264, 823936, 875432, 1647872, 1750864, 3501728, 7003456, 14006912, 28013824]

約数ペア:

[(1, 28013824), (2, 14006912), (4, 7003456), (8, 3501728), (16, 1750864), (17, 1647872), (32, 875432), (34, 823936), (41, 683264), (64, 437716), (68, 411968), (82, 341632), (128, 218858), (136, 205984), (157, 178432), (164, 170816), (256, 109429), (272, 102992), (314, 89216), (328, 85408), (544, 51496), (628, 44608), (656, 42704), (697, 40192), (1088, 25748), (1256, 22304), (1312, 21352), (1394, 20096), (2176, 12874), (2512, 11152), (2624, 10676), (2669, 10496), (2788, 10048), (4352, 6437), (5024, 5576), (5248, 5338)]