211066975

素因数分解:

$5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{1279}}^1$

素因数の和:1360

約数の個数: 48

約数和(自身を含む): 319979520

約数和(自身を除く): 108912545

約数列:

[1, 5, 7, 23, 25, 35, 41, 115, 161, 175, 205, 287, 575, 805, 943, 1025, 1279, 1435, 4025, 4715, 6395, 6601, 7175, 8953, 23575, 29417, 31975, 33005, 44765, 52439, 147085, 165025, 205919, 223825, 262195, 367073, 735425, 1029595, 1206097, 1310975, 1835365, 5147975, 6030485, 8442679, 9176825, 30152425, 42213395, 211066975]

約数ペア:

[(1, 211066975), (5, 42213395), (7, 30152425), (23, 9176825), (25, 8442679), (35, 6030485), (41, 5147975), (115, 1835365), (161, 1310975), (175, 1206097), (205, 1029595), (287, 735425), (575, 367073), (805, 262195), (943, 223825), (1025, 205919), (1279, 165025), (1435, 147085), (4025, 52439), (4715, 44765), (6395, 33005), (6601, 31975), (7175, 29417), (8953, 23575)]