17812717

素因数分解:

${\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{251}}^1$

素因数の和:420

約数の個数: 16

約数和(自身を含む): 19813248

約数和(自身を除く): 2000531

約数列:

[1, 13, 53, 103, 251, 689, 1339, 3263, 5459, 13303, 25853, 70967, 172939, 336089, 1370209, 17812717]

約数ペア:

[(1, 17812717), (13, 1370209), (53, 336089), (103, 172939), (251, 70967), (689, 25853), (1339, 13303), (3263, 5459)]