81445824004

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{3433}}^1\times {\mathrm{3761}}^1$

素因数の和:7300

約数の個数: 48

約数和(自身を含む): 151924006080

約数和(自身を除く): 70478182076

約数列:

[1, 2, 4, 19, 38, 76, 83, 166, 332, 1577, 3154, 3433, 3761, 6308, 6866, 7522, 13732, 15044, 65227, 71459, 130454, 142918, 260908, 284939, 285836, 312163, 569878, 624326, 1139756, 1248652, 5413841, 5931097, 10827682, 11862194, 12911513, 21655364, 23724388, 25823026, 51646052, 245318747, 490637494, 981274988, 1071655579, 2143311158, 4286622316, 20361456001, 40722912002, 81445824004]

約数ペア:

[(1, 81445824004), (2, 40722912002), (4, 20361456001), (19, 4286622316), (38, 2143311158), (76, 1071655579), (83, 981274988), (166, 490637494), (332, 245318747), (1577, 51646052), (3154, 25823026), (3433, 23724388), (3761, 21655364), (6308, 12911513), (6866, 11862194), (7522, 10827682), (13732, 5931097), (15044, 5413841), (65227, 1248652), (71459, 1139756), (130454, 624326), (142918, 569878), (260908, 312163), (284939, 285836)]