721152016

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{24943}}^1$

素因数の和:25103

約数の個数: 40

約数和(自身を含む): 1515597440

約数和(自身を除く): 794445424

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 139, 208, 278, 556, 1112, 1807, 2224, 3614, 7228, 14456, 24943, 28912, 49886, 99772, 199544, 324259, 399088, 648518, 1297036, 2594072, 3467077, 5188144, 6934154, 13868308, 27736616, 45072001, 55473232, 90144002, 180288004, 360576008, 721152016]

約数ペア:

[(1, 721152016), (2, 360576008), (4, 180288004), (8, 90144002), (13, 55473232), (16, 45072001), (26, 27736616), (52, 13868308), (104, 6934154), (139, 5188144), (208, 3467077), (278, 2594072), (556, 1297036), (1112, 648518), (1807, 399088), (2224, 324259), (3614, 199544), (7228, 99772), (14456, 49886), (24943, 28912)]