1520787908

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{997}}^1$

素因数の和:1244

約数の個数: 48

約数和(自身を含む): 2788587648

約数和(自身を除く): 1267799740

約数列:

[1, 2, 4, 41, 71, 82, 131, 142, 164, 262, 284, 524, 997, 1994, 2911, 3988, 5371, 5822, 9301, 10742, 11644, 18602, 21484, 37204, 40877, 70787, 81754, 130607, 141574, 163508, 261214, 283148, 381341, 522428, 762682, 1525364, 2902267, 5354887, 5804534, 9273097, 10709774, 11609068, 18546194, 21419548, 37092388, 380196977, 760393954, 1520787908]

約数ペア:

[(1, 1520787908), (2, 760393954), (4, 380196977), (41, 37092388), (71, 21419548), (82, 18546194), (131, 11609068), (142, 10709774), (164, 9273097), (262, 5804534), (284, 5354887), (524, 2902267), (997, 1525364), (1994, 762682), (2911, 522428), (3988, 381341), (5371, 283148), (5822, 261214), (9301, 163508), (10742, 141574), (11644, 130607), (18602, 81754), (21484, 70787), (37204, 40877)]