208940686801

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{581177}}^1$

素因数の和:581254

約数の個数: 48

約数和(自身を含む): 286218541440

約数和(自身を除く): 77277854639

約数列:

[1, 7, 11, 23, 29, 49, 77, 161, 203, 253, 319, 539, 667, 1127, 1421, 1771, 2233, 4669, 7337, 12397, 15631, 32683, 51359, 359513, 581177, 4068239, 6392947, 13367071, 16854133, 28477673, 44750629, 93569497, 117978931, 147037781, 185395463, 313254403, 387645059, 654986479, 825852517, 1029264467, 1297768241, 2713515413, 4264095649, 7204851269, 9084377687, 18994607891, 29848669543, 208940686801]

約数ペア:

[(1, 208940686801), (7, 29848669543), (11, 18994607891), (23, 9084377687), (29, 7204851269), (49, 4264095649), (77, 2713515413), (161, 1297768241), (203, 1029264467), (253, 825852517), (319, 654986479), (539, 387645059), (667, 313254403), (1127, 185395463), (1421, 147037781), (1771, 117978931), (2233, 93569497), (4669, 44750629), (7337, 28477673), (12397, 16854133), (15631, 13367071), (32683, 6392947), (51359, 4068239), (359513, 581177)]