28503475

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1$

素因数の和:125

約数の個数: 96

約数和(自身を含む): 50996736

約数和(自身を除く): 22493261

約数列:

[1, 5, 7, 11, 13, 17, 25, 35, 55, 65, 67, 77, 85, 91, 119, 143, 175, 187, 221, 275, 325, 335, 385, 425, 455, 469, 595, 715, 737, 871, 935, 1001, 1105, 1139, 1309, 1547, 1675, 1925, 2275, 2345, 2431, 2975, 3575, 3685, 4355, 4675, 5005, 5159, 5525, 5695, 6097, 6545, 7735, 7973, 9581, 11725, 12155, 12529, 14807, 17017, 18425, 21775, 25025, 25795, 28475, 30485, 32725, 38675, 39865, 47905, 60775, 62645, 67067, 74035, 85085, 87703, 103649, 128975, 152425, 162877, 199325, 239525, 313225, 335335, 370175, 425425, 438515, 518245, 814385, 1140139, 1676675, 2192575, 2591225, 4071925, 5700695, 28503475]

約数ペア:

[(1, 28503475), (5, 5700695), (7, 4071925), (11, 2591225), (13, 2192575), (17, 1676675), (25, 1140139), (35, 814385), (55, 518245), (65, 438515), (67, 425425), (77, 370175), (85, 335335), (91, 313225), (119, 239525), (143, 199325), (175, 162877), (187, 152425), (221, 128975), (275, 103649), (325, 87703), (335, 85085), (385, 74035), (425, 67067), (455, 62645), (469, 60775), (595, 47905), (715, 39865), (737, 38675), (871, 32725), (935, 30485), (1001, 28475), (1105, 25795), (1139, 25025), (1309, 21775), (1547, 18425), (1675, 17017), (1925, 14807), (2275, 12529), (2345, 12155), (2431, 11725), (2975, 9581), (3575, 7973), (3685, 7735), (4355, 6545), (4675, 6097), (5005, 5695), (5159, 5525)]