16802465

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{2521}}^1$

素因数の和:2600

約数の個数: 16

約数和(自身を含む): 21305856

約数和(自身を除く): 4503391

約数列:

[1, 5, 31, 43, 155, 215, 1333, 2521, 6665, 12605, 78151, 108403, 390755, 542015, 3360493, 16802465]

約数ペア:

[(1, 16802465), (5, 3360493), (31, 542015), (43, 390755), (155, 108403), (215, 78151), (1333, 12605), (2521, 6665)]