31309325

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{3203}}^1$

素因数の和:3253

約数の個数: 24

約数和(自身を含む): 42907968

約数和(自身を除く): 11598643

約数列:

[1, 5, 17, 23, 25, 85, 115, 391, 425, 575, 1955, 3203, 9775, 16015, 54451, 73669, 80075, 272255, 368345, 1252373, 1361275, 1841725, 6261865, 31309325]

約数ペア:

[(1, 31309325), (5, 6261865), (17, 1841725), (23, 1361275), (25, 1252373), (85, 368345), (115, 272255), (391, 80075), (425, 73669), (575, 54451), (1955, 16015), (3203, 9775)]