264260425

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{383}}^1$

素因数の和:610

約数の個数: 48

約数和(自身を含む): 387975168

約数和(自身を除く): 123714743

約数列:

[1, 5, 11, 13, 25, 55, 65, 143, 193, 275, 325, 383, 715, 965, 1915, 2123, 2509, 3575, 4213, 4825, 4979, 9575, 10615, 12545, 21065, 24895, 27599, 53075, 54769, 62725, 73919, 105325, 124475, 137995, 273845, 369595, 689975, 813109, 960947, 1369225, 1847975, 4065545, 4804735, 10570417, 20327725, 24023675, 52852085, 264260425]

約数ペア:

[(1, 264260425), (5, 52852085), (11, 24023675), (13, 20327725), (25, 10570417), (55, 4804735), (65, 4065545), (143, 1847975), (193, 1369225), (275, 960947), (325, 813109), (383, 689975), (715, 369595), (965, 273845), (1915, 137995), (2123, 124475), (2509, 105325), (3575, 73919), (4213, 62725), (4825, 54769), (4979, 53075), (9575, 27599), (10615, 24895), (12545, 21065)]