668831417

素因数分解:

${\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{251}}^1\times {\mathrm{1999}}^1$

素因数の和:2324

約数の個数: 16

約数和(自身を含む): 709632000

約数和(自身を除く): 40800583

約数列:

[1, 31, 43, 251, 1333, 1999, 7781, 10793, 61969, 85957, 334583, 501749, 2664667, 15554219, 21575207, 668831417]

約数ペア:

[(1, 668831417), (31, 21575207), (43, 15554219), (251, 2664667), (1333, 501749), (1999, 334583), (7781, 85957), (10793, 61969)]