2155816

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1091}}^1$

素因数の和:1129

約数の個数: 32

約数和(自身を含む): 4586400

約数和(自身を除く): 2430584

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1091, 1976, 2182, 4364, 8728, 14183, 20729, 28366, 41458, 56732, 82916, 113464, 165832, 269477, 538954, 1077908, 2155816]

約数ペア:

[(1, 2155816), (2, 1077908), (4, 538954), (8, 269477), (13, 165832), (19, 113464), (26, 82916), (38, 56732), (52, 41458), (76, 28366), (104, 20729), (152, 14183), (247, 8728), (494, 4364), (988, 2182), (1091, 1976)]