538454878

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{390751}}^1$

素因数の和:390819

約数の個数: 16

約数和(自身を含む): 886225536

約数和(自身を除く): 347770658

約数列:

[1, 2, 13, 26, 53, 106, 689, 1378, 390751, 781502, 5079763, 10159526, 20709803, 41419606, 269227439, 538454878]

約数ペア:

[(1, 538454878), (2, 269227439), (13, 41419606), (26, 20709803), (53, 10159526), (106, 5079763), (689, 781502), (1378, 390751)]