199415216

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{12451}}^1$

素因数の和:12490

約数の個数: 80

約数和(自身を含む): 518800128

約数和(自身を除く): 319384912

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 44, 52, 56, 77, 88, 91, 104, 112, 143, 154, 176, 182, 208, 286, 308, 364, 572, 616, 728, 1001, 1144, 1232, 1456, 2002, 2288, 4004, 8008, 12451, 16016, 24902, 49804, 87157, 99608, 136961, 161863, 174314, 199216, 273922, 323726, 348628, 547844, 647452, 697256, 958727, 1095688, 1133041, 1294904, 1394512, 1780493, 1917454, 2191376, 2266082, 2589808, 3560986, 3834908, 4532164, 7121972, 7669816, 9064328, 12463451, 14243944, 15339632, 18128656, 24926902, 28487888, 49853804, 99707608, 199415216]

約数ペア:

[(1, 199415216), (2, 99707608), (4, 49853804), (7, 28487888), (8, 24926902), (11, 18128656), (13, 15339632), (14, 14243944), (16, 12463451), (22, 9064328), (26, 7669816), (28, 7121972), (44, 4532164), (52, 3834908), (56, 3560986), (77, 2589808), (88, 2266082), (91, 2191376), (104, 1917454), (112, 1780493), (143, 1394512), (154, 1294904), (176, 1133041), (182, 1095688), (208, 958727), (286, 697256), (308, 647452), (364, 547844), (572, 348628), (616, 323726), (728, 273922), (1001, 199216), (1144, 174314), (1232, 161863), (1456, 136961), (2002, 99608), (2288, 87157), (4004, 49804), (8008, 24902), (12451, 16016)]