278601967

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{743}}^1$

素因数の和:927

約数の個数: 32

約数和(自身を含む): 354834432

約数和(自身を除く): 76232465

約数列:

[1, 7, 17, 23, 119, 137, 161, 391, 743, 959, 2329, 2737, 3151, 5201, 12631, 16303, 17089, 22057, 53567, 88417, 101791, 119623, 290513, 374969, 712537, 1730447, 2033591, 2341193, 12113129, 16388351, 39800281, 278601967]

約数ペア:

[(1, 278601967), (7, 39800281), (17, 16388351), (23, 12113129), (119, 2341193), (137, 2033591), (161, 1730447), (391, 712537), (743, 374969), (959, 290513), (2329, 119623), (2737, 101791), (3151, 88417), (5201, 53567), (12631, 22057), (16303, 17089)]