82894175

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{439}}^1$

素因数の和:552

約数の個数: 48

約数和(自身を含む): 128325120

約数和(自身を除く): 45430945

約数列:

[1, 5, 7, 13, 25, 35, 65, 83, 91, 175, 325, 415, 439, 455, 581, 1079, 2075, 2195, 2275, 2905, 3073, 5395, 5707, 7553, 10975, 14525, 15365, 26975, 28535, 36437, 37765, 39949, 76825, 142675, 182185, 188825, 199745, 255059, 473681, 910925, 998725, 1275295, 2368405, 3315767, 6376475, 11842025, 16578835, 82894175]

約数ペア:

[(1, 82894175), (5, 16578835), (7, 11842025), (13, 6376475), (25, 3315767), (35, 2368405), (65, 1275295), (83, 998725), (91, 910925), (175, 473681), (325, 255059), (415, 199745), (439, 188825), (455, 182185), (581, 142675), (1079, 76825), (2075, 39949), (2195, 37765), (2275, 36437), (2905, 28535), (3073, 26975), (5395, 15365), (5707, 14525), (7553, 10975)]