221788216

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{112241}}^1$

素因数の和:112279

約数の個数: 32

約数和(自身を含む): 471416400

約数和(自身を除く): 249628184

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 112241, 224482, 448964, 897928, 1459133, 2132579, 2918266, 4265158, 5836532, 8530316, 11673064, 17060632, 27723527, 55447054, 110894108, 221788216]

約数ペア:

[(1, 221788216), (2, 110894108), (4, 55447054), (8, 27723527), (13, 17060632), (19, 11673064), (26, 8530316), (38, 5836532), (52, 4265158), (76, 2918266), (104, 2132579), (152, 1459133), (247, 897928), (494, 448964), (988, 224482), (1976, 112241)]