28162816

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:237

約数の個数: 72

約数和(自身を含む): 62619984

約数和(自身を除く): 34457168

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 73, 88, 128, 137, 146, 176, 256, 274, 292, 352, 548, 584, 704, 803, 1096, 1168, 1408, 1507, 1606, 2192, 2336, 2816, 3014, 3212, 4384, 4672, 6028, 6424, 8768, 9344, 10001, 12056, 12848, 17536, 18688, 20002, 24112, 25696, 35072, 40004, 48224, 51392, 80008, 96448, 102784, 110011, 160016, 192896, 205568, 220022, 320032, 385792, 440044, 640064, 880088, 1280128, 1760176, 2560256, 3520352, 7040704, 14081408, 28162816]

約数ペア:

[(1, 28162816), (2, 14081408), (4, 7040704), (8, 3520352), (11, 2560256), (16, 1760176), (22, 1280128), (32, 880088), (44, 640064), (64, 440044), (73, 385792), (88, 320032), (128, 220022), (137, 205568), (146, 192896), (176, 160016), (256, 110011), (274, 102784), (292, 96448), (352, 80008), (548, 51392), (584, 48224), (704, 40004), (803, 35072), (1096, 25696), (1168, 24112), (1408, 20002), (1507, 18688), (1606, 17536), (2192, 12848), (2336, 12056), (2816, 10001), (3014, 9344), (3212, 8768), (4384, 6424), (4672, 6028)]