31885084

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{643}}^1$

素因数の和:695

約数の個数: 72

約数和(自身を含む): 74003328

約数和(自身を除く): 42118244

約数列:

[1, 2, 4, 7, 11, 14, 22, 23, 28, 44, 46, 49, 77, 92, 98, 154, 161, 196, 253, 308, 322, 506, 539, 643, 644, 1012, 1078, 1127, 1286, 1771, 2156, 2254, 2572, 3542, 4501, 4508, 7073, 7084, 9002, 12397, 14146, 14789, 18004, 24794, 28292, 29578, 31507, 49511, 49588, 59156, 63014, 99022, 103523, 126028, 162679, 198044, 207046, 325358, 346577, 414092, 650716, 693154, 724661, 1138753, 1386308, 1449322, 2277506, 2898644, 4555012, 7971271, 15942542, 31885084]

約数ペア:

[(1, 31885084), (2, 15942542), (4, 7971271), (7, 4555012), (11, 2898644), (14, 2277506), (22, 1449322), (23, 1386308), (28, 1138753), (44, 724661), (46, 693154), (49, 650716), (77, 414092), (92, 346577), (98, 325358), (154, 207046), (161, 198044), (196, 162679), (253, 126028), (308, 103523), (322, 99022), (506, 63014), (539, 59156), (643, 49588), (644, 49511), (1012, 31507), (1078, 29578), (1127, 28292), (1286, 24794), (1771, 18004), (2156, 14789), (2254, 14146), (2572, 12397), (3542, 9002), (4501, 7084), (4508, 7073)]