128516878

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1\times {\mathrm{1237}}^1$

素因数の和:1468

約数の個数: 32

約数和(自身を含む): 227118528

約数和(自身を除く): 98601650

約数列:

[1, 2, 7, 14, 41, 82, 181, 287, 362, 574, 1237, 1267, 2474, 2534, 7421, 8659, 14842, 17318, 50717, 51947, 101434, 103894, 223897, 355019, 447794, 710038, 1567279, 3134558, 9179777, 18359554, 64258439, 128516878]

約数ペア:

[(1, 128516878), (2, 64258439), (7, 18359554), (14, 9179777), (41, 3134558), (82, 1567279), (181, 710038), (287, 447794), (362, 355019), (574, 223897), (1237, 103894), (1267, 101434), (2474, 51947), (2534, 50717), (7421, 17318), (8659, 14842)]