203721005

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{43207}}^1$

素因数の和:43276

約数の個数: 16

約数和(自身を含む): 261321984

約数和(自身を除く): 57600979

約数列:

[1, 5, 23, 41, 115, 205, 943, 4715, 43207, 216035, 993761, 1771487, 4968805, 8857435, 40744201, 203721005]

約数ペア:

[(1, 203721005), (5, 40744201), (23, 8857435), (41, 4968805), (115, 1771487), (205, 993761), (943, 216035), (4715, 43207)]