268648705

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{243121}}^1$

素因数の和:243156

約数の個数: 16

約数和(自身を含む): 367600464

約数和(自身を除く): 98951759

約数列:

[1, 5, 13, 17, 65, 85, 221, 1105, 243121, 1215605, 3160573, 4133057, 15802865, 20665285, 53729741, 268648705]

約数ペア:

[(1, 268648705), (5, 53729741), (13, 20665285), (17, 15802865), (65, 4133057), (85, 3160573), (221, 1215605), (1105, 243121)]