71639298

素因数分解:

$2^1\times 3^2\times {\mathrm{1987}}^1\times {\mathrm{2003}}^1$

素因数の和:3998

約数の個数: 24

約数和(自身を含む): 155374128

約数和(自身を除く): 83734830

約数列:

[1, 2, 3, 6, 9, 18, 1987, 2003, 3974, 4006, 5961, 6009, 11922, 12018, 17883, 18027, 35766, 36054, 3979961, 7959922, 11939883, 23879766, 35819649, 71639298]

約数ペア:

[(1, 71639298), (2, 35819649), (3, 23879766), (6, 11939883), (9, 7959922), (18, 3979961), (1987, 36054), (2003, 35766), (3974, 18027), (4006, 17883), (5961, 12018), (6009, 11922)]