628418615

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{193}}^1\times {\mathrm{1117}}^1$

素因数の和:1379

約数の個数: 32

約数和(自身を含む): 843276096

約数和(自身を除く): 214857481

約数列:

[1, 5, 11, 53, 55, 193, 265, 583, 965, 1117, 2123, 2915, 5585, 10229, 10615, 12287, 51145, 59201, 61435, 112519, 215581, 296005, 562595, 651211, 1077905, 2371391, 3256055, 11425793, 11856955, 57128965, 125683723, 628418615]

約数ペア:

[(1, 628418615), (5, 125683723), (11, 57128965), (53, 11856955), (55, 11425793), (193, 3256055), (265, 2371391), (583, 1077905), (965, 651211), (1117, 562595), (2123, 296005), (2915, 215581), (5585, 112519), (10229, 61435), (10615, 59201), (12287, 51145)]