260245601

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1\times {\mathrm{263}}^1$

素因数の和:533

約数の個数: 32

約数和(自身を含む): 332107776

約数和(自身を除く): 71862175

約数列:

[1, 7, 11, 71, 77, 181, 263, 497, 781, 1267, 1841, 1991, 2893, 5467, 12851, 13937, 18673, 20251, 47603, 89957, 130711, 141361, 205403, 333221, 523633, 989527, 1437821, 3379813, 3665431, 23658691, 37177943, 260245601]

約数ペア:

[(1, 260245601), (7, 37177943), (11, 23658691), (71, 3665431), (77, 3379813), (181, 1437821), (263, 989527), (497, 523633), (781, 333221), (1267, 205403), (1841, 141361), (1991, 130711), (2893, 89957), (5467, 47603), (12851, 20251), (13937, 18673)]