71778512

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{345089}}^1$

素因数の和:345110

約数の個数: 20

約数和(自身を含む): 149769060

約数和(自身を除く): 77990548

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 345089, 690178, 1380356, 2760712, 4486157, 5521424, 8972314, 17944628, 35889256, 71778512]

約数ペア:

[(1, 71778512), (2, 35889256), (4, 17944628), (8, 8972314), (13, 5521424), (16, 4486157), (26, 2760712), (52, 1380356), (104, 690178), (208, 345089)]