497919471

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{113}}^1$

素因数の和:320

約数の個数: 64

約数和(自身を含む): 808455168

約数和(自身を除く): 310535697

約数列:

[1, 3, 7, 21, 37, 53, 107, 111, 113, 159, 259, 321, 339, 371, 749, 777, 791, 1113, 1961, 2247, 2373, 3959, 4181, 5671, 5883, 5989, 11877, 12091, 12543, 13727, 17013, 17967, 27713, 29267, 36273, 39697, 41181, 41923, 83139, 84637, 87801, 119091, 125769, 209827, 221593, 253911, 447367, 629481, 640823, 664779, 1342101, 1468789, 1551151, 1922469, 3131569, 4406367, 4485761, 4653453, 9394707, 13457283, 23710451, 71131353, 165973157, 497919471]

約数ペア:

[(1, 497919471), (3, 165973157), (7, 71131353), (21, 23710451), (37, 13457283), (53, 9394707), (107, 4653453), (111, 4485761), (113, 4406367), (159, 3131569), (259, 1922469), (321, 1551151), (339, 1468789), (371, 1342101), (749, 664779), (777, 640823), (791, 629481), (1113, 447367), (1961, 253911), (2247, 221593), (2373, 209827), (3959, 125769), (4181, 119091), (5671, 87801), (5883, 84637), (5989, 83139), (11877, 41923), (12091, 41181), (12543, 39697), (13727, 36273), (17013, 29267), (17967, 27713)]