28679408

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{1087}}^1$

素因数の和:1209

約数の個数: 40

約数和(自身を含む): 59496192

約数和(自身を除く): 30816784

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 97, 136, 194, 272, 388, 776, 1087, 1552, 1649, 2174, 3298, 4348, 6596, 8696, 13192, 17392, 18479, 26384, 36958, 73916, 105439, 147832, 210878, 295664, 421756, 843512, 1687024, 1792463, 3584926, 7169852, 14339704, 28679408]

約数ペア:

[(1, 28679408), (2, 14339704), (4, 7169852), (8, 3584926), (16, 1792463), (17, 1687024), (34, 843512), (68, 421756), (97, 295664), (136, 210878), (194, 147832), (272, 105439), (388, 73916), (776, 36958), (1087, 26384), (1552, 18479), (1649, 17392), (2174, 13192), (3298, 8696), (4348, 6596)]