28335328

素因数分解:

$2^5\times 7^2\times {\mathrm{17}}^1\times {\mathrm{1063}}^1$

素因数の和:1104

約数の個数: 72

約数和(自身を含む): 68774832

約数和(自身を除く): 40439504

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 49, 56, 68, 98, 112, 119, 136, 196, 224, 238, 272, 392, 476, 544, 784, 833, 952, 1063, 1568, 1666, 1904, 2126, 3332, 3808, 4252, 6664, 7441, 8504, 13328, 14882, 17008, 18071, 26656, 29764, 34016, 36142, 52087, 59528, 72284, 104174, 119056, 126497, 144568, 208348, 238112, 252994, 289136, 416696, 505988, 578272, 833392, 885479, 1011976, 1666784, 1770958, 2023952, 3541916, 4047904, 7083832, 14167664, 28335328]

約数ペア:

[(1, 28335328), (2, 14167664), (4, 7083832), (7, 4047904), (8, 3541916), (14, 2023952), (16, 1770958), (17, 1666784), (28, 1011976), (32, 885479), (34, 833392), (49, 578272), (56, 505988), (68, 416696), (98, 289136), (112, 252994), (119, 238112), (136, 208348), (196, 144568), (224, 126497), (238, 119056), (272, 104174), (392, 72284), (476, 59528), (544, 52087), (784, 36142), (833, 34016), (952, 29764), (1063, 26656), (1568, 18071), (1666, 17008), (1904, 14882), (2126, 13328), (3332, 8504), (3808, 7441), (4252, 6664)]