1581350992

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{205477}}^1$

素因数の和:205535

約数の個数: 40

約数和(自身を含む): 3388743176

約数和(自身を除く): 1807392184

約数列:

[1, 2, 4, 8, 13, 16, 26, 37, 52, 74, 104, 148, 208, 296, 481, 592, 962, 1924, 3848, 7696, 205477, 410954, 821908, 1643816, 2671201, 3287632, 5342402, 7602649, 10684804, 15205298, 21369608, 30410596, 42739216, 60821192, 98834437, 121642384, 197668874, 395337748, 790675496, 1581350992]

約数ペア:

[(1, 1581350992), (2, 790675496), (4, 395337748), (8, 197668874), (13, 121642384), (16, 98834437), (26, 60821192), (37, 42739216), (52, 30410596), (74, 21369608), (104, 15205298), (148, 10684804), (208, 7602649), (296, 5342402), (481, 3287632), (592, 2671201), (962, 1643816), (1924, 821908), (3848, 410954), (7696, 205477)]