858467506

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{397807}}^1$

素因数の和:397905

約数の個数: 16

約数和(自身を含む): 1403466624

約数和(自身を除く): 544999118

約数列:

[1, 2, 13, 26, 83, 166, 1079, 2158, 397807, 795614, 5171491, 10342982, 33017981, 66035962, 429233753, 858467506]

約数ペア:

[(1, 858467506), (2, 429233753), (13, 66035962), (26, 33017981), (83, 10342982), (166, 5171491), (1079, 795614), (2158, 397807)]