206815973

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1\times {\mathrm{439}}^1$

素因数の和:657

約数の個数: 32

約数和(自身を含む): 264929280

約数和(自身を除く): 58113307

約数列:

[1, 7, 13, 31, 91, 167, 217, 403, 439, 1169, 2171, 2821, 3073, 5177, 5707, 13609, 15197, 36239, 39949, 67301, 73313, 95263, 176917, 471107, 513191, 953069, 1238419, 2272703, 6671483, 15908921, 29545139, 206815973]

約数ペア:

[(1, 206815973), (7, 29545139), (13, 15908921), (31, 6671483), (91, 2272703), (167, 1238419), (217, 953069), (403, 513191), (439, 471107), (1169, 176917), (2171, 95263), (2821, 73313), (3073, 67301), (5177, 39949), (5707, 36239), (13609, 15197)]