83840225

素因数分解:

$5^2\times 7^2\times {\mathrm{89}}^1\times {\mathrm{769}}^1$

素因数の和:882

約数の個数: 36

約数和(自身を含む): 122453100

約数和(自身を除く): 38612875

約数列:

[1, 5, 7, 25, 35, 49, 89, 175, 245, 445, 623, 769, 1225, 2225, 3115, 3845, 4361, 5383, 15575, 19225, 21805, 26915, 37681, 68441, 109025, 134575, 188405, 342205, 479087, 942025, 1711025, 2395435, 3353609, 11977175, 16768045, 83840225]

約数ペア:

[(1, 83840225), (5, 16768045), (7, 11977175), (25, 3353609), (35, 2395435), (49, 1711025), (89, 942025), (175, 479087), (245, 342205), (445, 188405), (623, 134575), (769, 109025), (1225, 68441), (2225, 37681), (3115, 26915), (3845, 21805), (4361, 19225), (5383, 15575)]