31795816

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{16091}}^1$

素因数の和:16129

約数の個数: 32

約数和(自身を含む): 67586400

約数和(自身を除く): 35790584

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 16091, 32182, 64364, 128728, 209183, 305729, 418366, 611458, 836732, 1222916, 1673464, 2445832, 3974477, 7948954, 15897908, 31795816]

約数ペア:

[(1, 31795816), (2, 15897908), (4, 7948954), (8, 3974477), (13, 2445832), (19, 1673464), (26, 1222916), (38, 836732), (52, 611458), (76, 418366), (104, 305729), (152, 209183), (247, 128728), (494, 64364), (988, 32182), (1976, 16091)]