31081648

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:206

約数の個数: 80

約数和(自身を含む): 69370560

約数和(自身を除く): 38288912

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 46, 52, 73, 89, 92, 104, 146, 178, 184, 208, 292, 299, 356, 368, 584, 598, 712, 949, 1157, 1168, 1196, 1424, 1679, 1898, 2047, 2314, 2392, 3358, 3796, 4094, 4628, 4784, 6497, 6716, 7592, 8188, 9256, 12994, 13432, 15184, 16376, 18512, 21827, 25988, 26611, 26864, 32752, 43654, 51976, 53222, 84461, 87308, 103952, 106444, 149431, 168922, 174616, 212888, 298862, 337844, 349232, 425776, 597724, 675688, 1195448, 1351376, 1942603, 2390896, 3885206, 7770412, 15540824, 31081648]

約数ペア:

[(1, 31081648), (2, 15540824), (4, 7770412), (8, 3885206), (13, 2390896), (16, 1942603), (23, 1351376), (26, 1195448), (46, 675688), (52, 597724), (73, 425776), (89, 349232), (92, 337844), (104, 298862), (146, 212888), (178, 174616), (184, 168922), (208, 149431), (292, 106444), (299, 103952), (356, 87308), (368, 84461), (584, 53222), (598, 51976), (712, 43654), (949, 32752), (1157, 26864), (1168, 26611), (1196, 25988), (1424, 21827), (1679, 18512), (1898, 16376), (2047, 15184), (2314, 13432), (2392, 12994), (3358, 9256), (3796, 8188), (4094, 7592), (4628, 6716), (4784, 6497)]