12920726

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:205

約数の個数: 48

約数和(自身を含む): 24735744

約数和(自身を除く): 11815018

約数列:

[1, 2, 7, 13, 14, 26, 43, 86, 91, 127, 169, 182, 254, 301, 338, 559, 602, 889, 1118, 1183, 1651, 1778, 2366, 3302, 3913, 5461, 7267, 7826, 10922, 11557, 14534, 21463, 23114, 38227, 42926, 50869, 70993, 76454, 101738, 141986, 150241, 300482, 496951, 922909, 993902, 1845818, 6460363, 12920726]

約数ペア:

[(1, 12920726), (2, 6460363), (7, 1845818), (13, 993902), (14, 922909), (26, 496951), (43, 300482), (86, 150241), (91, 141986), (127, 101738), (169, 76454), (182, 70993), (254, 50869), (301, 42926), (338, 38227), (559, 23114), (602, 21463), (889, 14534), (1118, 11557), (1183, 10922), (1651, 7826), (1778, 7267), (2366, 5461), (3302, 3913)]