199729621

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{701}}^1$

素因数の和:853

約数の個数: 32

約数和(自身を含む): 256628736

約数和(自身を除く): 56899115

約数列:

[1, 7, 13, 31, 91, 101, 217, 403, 701, 707, 1313, 2821, 3131, 4907, 9113, 9191, 21731, 21917, 40703, 63791, 70801, 152117, 282503, 284921, 495607, 920413, 1977521, 2194831, 6442891, 15363817, 28532803, 199729621]

約数ペア:

[(1, 199729621), (7, 28532803), (13, 15363817), (31, 6442891), (91, 2194831), (101, 1977521), (217, 920413), (403, 495607), (701, 284921), (707, 282503), (1313, 152117), (2821, 70801), (3131, 63791), (4907, 40703), (9113, 21917), (9191, 21731)]