2017990085

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{207719}}^1$

素因数の和:207820

約数の個数: 16

約数和(自身を含む): 2542492800

約数和(自身を除く): 524502715

約数列:

[1, 5, 29, 67, 145, 335, 1943, 9715, 207719, 1038595, 6023851, 13917173, 30119255, 69585865, 403598017, 2017990085]

約数ペア:

[(1, 2017990085), (5, 403598017), (29, 69585865), (67, 30119255), (145, 13917173), (335, 6023851), (1943, 1038595), (9715, 207719)]