1691075

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1$

素因数の和:223

約数の個数: 24

約数和(自身を含む): 2330208

約数和(自身を除く): 639133

約数列:

[1, 5, 17, 23, 25, 85, 115, 173, 391, 425, 575, 865, 1955, 2941, 3979, 4325, 9775, 14705, 19895, 67643, 73525, 99475, 338215, 1691075]

約数ペア:

[(1, 1691075), (5, 338215), (17, 99475), (23, 73525), (25, 67643), (85, 19895), (115, 14705), (173, 9775), (391, 4325), (425, 3979), (575, 2941), (865, 1955)]