78156208

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^2$

素因数の和:123

約数の個数: 120

約数和(自身を含む): 186175584

約数和(自身を除く): 108019376

約数列:

[1, 2, 4, 8, 13, 16, 17, 23, 26, 31, 34, 46, 52, 62, 68, 92, 104, 124, 136, 184, 208, 221, 248, 272, 299, 368, 391, 403, 442, 496, 527, 598, 713, 782, 806, 884, 961, 1054, 1196, 1426, 1564, 1612, 1768, 1922, 2108, 2392, 2852, 3128, 3224, 3536, 3844, 4216, 4784, 5083, 5704, 6256, 6448, 6851, 7688, 8432, 9269, 10166, 11408, 12121, 12493, 13702, 15376, 16337, 18538, 20332, 22103, 24242, 24986, 27404, 32674, 37076, 40664, 44206, 48484, 49972, 54808, 65348, 74152, 81328, 88412, 96968, 99944, 109616, 130696, 148304, 157573, 176824, 193936, 199888, 212381, 261392, 287339, 315146, 353648, 375751, 424762, 574678, 630292, 751502, 849524, 1149356, 1260584, 1503004, 1699048, 2298712, 2521168, 3006008, 3398096, 4597424, 4884763, 6012016, 9769526, 19539052, 39078104, 78156208]

約数ペア:

[(1, 78156208), (2, 39078104), (4, 19539052), (8, 9769526), (13, 6012016), (16, 4884763), (17, 4597424), (23, 3398096), (26, 3006008), (31, 2521168), (34, 2298712), (46, 1699048), (52, 1503004), (62, 1260584), (68, 1149356), (92, 849524), (104, 751502), (124, 630292), (136, 574678), (184, 424762), (208, 375751), (221, 353648), (248, 315146), (272, 287339), (299, 261392), (368, 212381), (391, 199888), (403, 193936), (442, 176824), (496, 157573), (527, 148304), (598, 130696), (713, 109616), (782, 99944), (806, 96968), (884, 88412), (961, 81328), (1054, 74152), (1196, 65348), (1426, 54808), (1564, 49972), (1612, 48484), (1768, 44206), (1922, 40664), (2108, 37076), (2392, 32674), (2852, 27404), (3128, 24986), (3224, 24242), (3536, 22103), (3844, 20332), (4216, 18538), (4784, 16337), (5083, 15376), (5704, 13702), (6256, 12493), (6448, 12121), (6851, 11408), (7688, 10166), (8432, 9269)]