81505424

素因数分解:

$2^4\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{727}}^1$

素因数の和:773

約数の個数: 120

約数和(自身を含む): 216111168

約数和(自身を除く): 134605744

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 44, 49, 52, 56, 77, 88, 91, 98, 104, 112, 143, 154, 176, 182, 196, 208, 286, 308, 364, 392, 539, 572, 616, 637, 727, 728, 784, 1001, 1078, 1144, 1232, 1274, 1454, 1456, 2002, 2156, 2288, 2548, 2908, 4004, 4312, 5089, 5096, 5816, 7007, 7997, 8008, 8624, 9451, 10178, 10192, 11632, 14014, 15994, 16016, 18902, 20356, 28028, 31988, 35623, 37804, 40712, 55979, 56056, 63976, 66157, 71246, 75608, 81424, 103961, 111958, 112112, 127952, 132314, 142492, 151216, 207922, 223916, 264628, 284984, 391853, 415844, 447832, 463099, 529256, 569968, 727727, 783706, 831688, 895664, 926198, 1058512, 1455454, 1567412, 1663376, 1852396, 2910908, 3134824, 3704792, 5094089, 5821816, 6269648, 7409584, 10188178, 11643632, 20376356, 40752712, 81505424]

約数ペア:

[(1, 81505424), (2, 40752712), (4, 20376356), (7, 11643632), (8, 10188178), (11, 7409584), (13, 6269648), (14, 5821816), (16, 5094089), (22, 3704792), (26, 3134824), (28, 2910908), (44, 1852396), (49, 1663376), (52, 1567412), (56, 1455454), (77, 1058512), (88, 926198), (91, 895664), (98, 831688), (104, 783706), (112, 727727), (143, 569968), (154, 529256), (176, 463099), (182, 447832), (196, 415844), (208, 391853), (286, 284984), (308, 264628), (364, 223916), (392, 207922), (539, 151216), (572, 142492), (616, 132314), (637, 127952), (727, 112112), (728, 111958), (784, 103961), (1001, 81424), (1078, 75608), (1144, 71246), (1232, 66157), (1274, 63976), (1454, 56056), (1456, 55979), (2002, 40712), (2156, 37804), (2288, 35623), (2548, 31988), (2908, 28028), (4004, 20356), (4312, 18902), (5089, 16016), (5096, 15994), (5816, 14014), (7007, 11632), (7997, 10192), (8008, 10178), (8624, 9451)]