2021982235

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{353}}^1\times {\mathrm{12589}}^1$

素因数の和:12967

約数の個数: 32

約数和(自身を含む): 2995009920

約数和(自身を除く): 973027685

約数列:

[1, 5, 7, 13, 35, 65, 91, 353, 455, 1765, 2471, 4589, 12355, 12589, 22945, 32123, 62945, 88123, 160615, 163657, 440615, 818285, 1145599, 4443917, 5727995, 22219585, 31107419, 57770921, 155537095, 288854605, 404396447, 2021982235]

約数ペア:

[(1, 2021982235), (5, 404396447), (7, 288854605), (13, 155537095), (35, 57770921), (65, 31107419), (91, 22219585), (353, 5727995), (455, 4443917), (1765, 1145599), (2471, 818285), (4589, 440615), (12355, 163657), (12589, 160615), (22945, 88123), (32123, 62945)]