64780519

素因数分解:

${\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{1321}}^1$

素因数の和:1458

約数の個数: 16

約数和(自身を含む): 71388000

約数和(自身を除く): 6607481

約数列:

[1, 19, 29, 89, 551, 1321, 1691, 2581, 25099, 38309, 49039, 117569, 727871, 2233811, 3409501, 64780519]

約数ペア:

[(1, 64780519), (19, 3409501), (29, 2233811), (89, 727871), (551, 117569), (1321, 49039), (1691, 38309), (2581, 25099)]