131223664

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{691}}^1$

素因数の和:806

約数の個数: 80

約数和(自身を含む): 302730624

約数和(自身を除く): 171506960

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 83, 88, 104, 143, 166, 176, 208, 286, 332, 572, 664, 691, 913, 1079, 1144, 1328, 1382, 1826, 2158, 2288, 2764, 3652, 4316, 5528, 7304, 7601, 8632, 8983, 11056, 11869, 14608, 15202, 17264, 17966, 23738, 30404, 35932, 47476, 57353, 60808, 71864, 94952, 98813, 114706, 121616, 143728, 189904, 197626, 229412, 395252, 458824, 630883, 745589, 790504, 917648, 1261766, 1491178, 1581008, 2523532, 2982356, 5047064, 5964712, 8201479, 10094128, 11929424, 16402958, 32805916, 65611832, 131223664]

約数ペア:

[(1, 131223664), (2, 65611832), (4, 32805916), (8, 16402958), (11, 11929424), (13, 10094128), (16, 8201479), (22, 5964712), (26, 5047064), (44, 2982356), (52, 2523532), (83, 1581008), (88, 1491178), (104, 1261766), (143, 917648), (166, 790504), (176, 745589), (208, 630883), (286, 458824), (332, 395252), (572, 229412), (664, 197626), (691, 189904), (913, 143728), (1079, 121616), (1144, 114706), (1328, 98813), (1382, 94952), (1826, 71864), (2158, 60808), (2288, 57353), (2764, 47476), (3652, 35932), (4316, 30404), (5528, 23738), (7304, 17966), (7601, 17264), (8632, 15202), (8983, 14608), (11056, 11869)]