83987735

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^3\times {\mathrm{263}}^1$

素因数の和:332

約数の個数: 32

約数和(自身を含む): 115758720

約数和(自身を除く): 31770985

約数列:

[1, 5, 13, 17, 65, 85, 221, 263, 289, 1105, 1315, 1445, 3419, 3757, 4471, 4913, 17095, 18785, 22355, 24565, 58123, 63869, 76007, 290615, 319345, 380035, 988091, 1292119, 4940455, 6460595, 16797547, 83987735]

約数ペア:

[(1, 83987735), (5, 16797547), (13, 6460595), (17, 4940455), (65, 1292119), (85, 988091), (221, 380035), (263, 319345), (289, 290615), (1105, 76007), (1315, 63869), (1445, 58123), (3419, 24565), (3757, 22355), (4471, 18785), (4913, 17095)]