22219813

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1$

素因数の和:217

約数の個数: 32

約数和(自身を含む): 28984320

約数和(自身を除く): 6764507

約数列:

[1, 7, 11, 59, 67, 73, 77, 413, 469, 511, 649, 737, 803, 3953, 4307, 4543, 4891, 5159, 5621, 27671, 30149, 34237, 43483, 47377, 53801, 288569, 304381, 331639, 376607, 2019983, 3174259, 22219813]

約数ペア:

[(1, 22219813), (7, 3174259), (11, 2019983), (59, 376607), (67, 331639), (73, 304381), (77, 288569), (413, 53801), (469, 47377), (511, 43483), (649, 34237), (737, 30149), (803, 27671), (3953, 5621), (4307, 5159), (4543, 4891)]