156721318

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{113731}}^1$

素因数の和:113799

約数の個数: 16

約数和(自身を含む): 257944176

約数和(自身を除く): 101222858

約数列:

[1, 2, 13, 26, 53, 106, 689, 1378, 113731, 227462, 1478503, 2957006, 6027743, 12055486, 78360659, 156721318]

約数ペア:

[(1, 156721318), (2, 78360659), (13, 12055486), (26, 6027743), (53, 2957006), (106, 1478503), (689, 227462), (1378, 113731)]