1995990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{66533}}^1$

素因数の和:66543

約数の個数: 16

約数和(自身を含む): 4790448

約数和(自身を除く): 2794458

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 66533, 133066, 199599, 332665, 399198, 665330, 997995, 1995990]

約数ペア:

[(1, 1995990), (2, 997995), (3, 665330), (5, 399198), (6, 332665), (10, 199599), (15, 133066), (30, 66533)]