81142712

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{863}}^1$

素因数の和:972

約数の個数: 64

約数和(自身を含む): 184135680

約数和(自身を除く): 102992968

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 73, 92, 146, 161, 184, 292, 322, 511, 584, 644, 863, 1022, 1288, 1679, 1726, 2044, 3358, 3452, 4088, 6041, 6716, 6904, 11753, 12082, 13432, 19849, 23506, 24164, 39698, 47012, 48328, 62999, 79396, 94024, 125998, 138943, 158792, 251996, 277886, 440993, 503992, 555772, 881986, 1111544, 1448977, 1763972, 2897954, 3527944, 5795908, 10142839, 11591816, 20285678, 40571356, 81142712]

約数ペア:

[(1, 81142712), (2, 40571356), (4, 20285678), (7, 11591816), (8, 10142839), (14, 5795908), (23, 3527944), (28, 2897954), (46, 1763972), (56, 1448977), (73, 1111544), (92, 881986), (146, 555772), (161, 503992), (184, 440993), (292, 277886), (322, 251996), (511, 158792), (584, 138943), (644, 125998), (863, 94024), (1022, 79396), (1288, 62999), (1679, 48328), (1726, 47012), (2044, 39698), (3358, 24164), (3452, 23506), (4088, 19849), (6041, 13432), (6716, 12082), (6904, 11753)]