1889915

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1$

素因数の和:262

約数の個数: 16

約数和(自身を含む): 2384640

約数和(自身を除く): 494725

約数列:

[1, 5, 31, 89, 137, 155, 445, 685, 2759, 4247, 12193, 13795, 21235, 60965, 377983, 1889915]

約数ペア:

[(1, 1889915), (5, 377983), (31, 60965), (89, 21235), (137, 13795), (155, 12193), (445, 4247), (685, 2759)]