667627981

素因数分解:

${\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{1109}}^1$

素因数の和:1380

約数の個数: 16

約数和(自身を含む): 693705600

約数和(自身を除く): 26077619

約数列:

[1, 61, 71, 139, 1109, 4331, 8479, 9869, 67649, 78739, 154151, 602009, 4803079, 9403211, 10944721, 667627981]

約数ペア:

[(1, 667627981), (61, 10944721), (71, 9403211), (139, 4803079), (1109, 602009), (4331, 154151), (8479, 78739), (9869, 67649)]