219664978

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{137}}^1\times {\mathrm{743}}^1$

素因数の和:978

約数の個数: 32

約数和(自身を含む): 362226816

約数和(自身を除く): 142561838

約数列:

[1, 2, 13, 26, 83, 137, 166, 274, 743, 1079, 1486, 1781, 2158, 3562, 9659, 11371, 19318, 22742, 61669, 101791, 123338, 147823, 203582, 295646, 801697, 1323283, 1603394, 2646566, 8448653, 16897306, 109832489, 219664978]

約数ペア:

[(1, 219664978), (2, 109832489), (13, 16897306), (26, 8448653), (83, 2646566), (137, 1603394), (166, 1323283), (274, 801697), (743, 295646), (1079, 203582), (1486, 147823), (1781, 123338), (2158, 101791), (3562, 61669), (9659, 22742), (11371, 19318)]