203811575

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{2053}}^1$

素因数の和:2112

約数の個数: 36

約数和(自身を含む): 291117528

約数和(自身を除く): 87305953

約数列:

[1, 5, 11, 19, 25, 55, 95, 209, 275, 361, 475, 1045, 1805, 2053, 3971, 5225, 9025, 10265, 19855, 22583, 39007, 51325, 99275, 112915, 195035, 429077, 564575, 741133, 975175, 2145385, 3705665, 8152463, 10726925, 18528325, 40762315, 203811575]

約数ペア:

[(1, 203811575), (5, 40762315), (11, 18528325), (19, 10726925), (25, 8152463), (55, 3705665), (95, 2145385), (209, 975175), (275, 741133), (361, 564575), (475, 429077), (1045, 195035), (1805, 112915), (2053, 99275), (3971, 51325), (5225, 39007), (9025, 22583), (10265, 19855)]