87490516

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{60589}}^1$

素因数の和:60631

約数の個数: 18

約数和(自身を含む): 161593530

約数和(自身を除く): 74103014

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 60589, 121178, 242356, 1151191, 2302382, 4604764, 21872629, 43745258, 87490516]

約数ペア:

[(1, 87490516), (2, 43745258), (4, 21872629), (19, 4604764), (38, 2302382), (76, 1151191), (361, 242356), (722, 121178), (1444, 60589)]