1661075

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{269}}^1$

素因数の和:311

約数の個数: 24

約数和(自身を含む): 2343600

約数和(自身を除く): 682525

約数列:

[1, 5, 13, 19, 25, 65, 95, 247, 269, 325, 475, 1235, 1345, 3497, 5111, 6175, 6725, 17485, 25555, 66443, 87425, 127775, 332215, 1661075]

約数ペア:

[(1, 1661075), (5, 332215), (13, 127775), (19, 87425), (25, 66443), (65, 25555), (95, 17485), (247, 6725), (269, 6175), (325, 5111), (475, 3497), (1235, 1345)]