42247975

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1291}}^1$

素因数の和:1336

約数の個数: 48

約数和(自身を含む): 69209856

約数和(自身を除く): 26961881

約数列:

[1, 5, 7, 11, 17, 25, 35, 55, 77, 85, 119, 175, 187, 275, 385, 425, 595, 935, 1291, 1309, 1925, 2975, 4675, 6455, 6545, 9037, 14201, 21947, 32275, 32725, 45185, 71005, 99407, 109735, 153629, 225925, 241417, 355025, 497035, 548675, 768145, 1207085, 1689919, 2485175, 3840725, 6035425, 8449595, 42247975]

約数ペア:

[(1, 42247975), (5, 8449595), (7, 6035425), (11, 3840725), (17, 2485175), (25, 1689919), (35, 1207085), (55, 768145), (77, 548675), (85, 497035), (119, 355025), (175, 241417), (187, 225925), (275, 153629), (385, 109735), (425, 99407), (595, 71005), (935, 45185), (1291, 32725), (1309, 32275), (1925, 21947), (2975, 14201), (4675, 9037), (6455, 6545)]