78554008

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{283}}^1$

素因数の和:476

約数の個数: 64

約数和(自身を含む): 169616160

約数和(自身を除く): 91062152

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 157, 221, 283, 314, 442, 566, 628, 884, 1132, 1256, 1768, 2041, 2264, 2669, 3679, 4082, 4811, 5338, 7358, 8164, 9622, 10676, 14716, 16328, 19244, 21352, 29432, 34697, 38488, 44431, 62543, 69394, 88862, 125086, 138788, 177724, 250172, 277576, 355448, 500344, 577603, 755327, 1155206, 1510654, 2310412, 3021308, 4620824, 6042616, 9819251, 19638502, 39277004, 78554008]

約数ペア:

[(1, 78554008), (2, 39277004), (4, 19638502), (8, 9819251), (13, 6042616), (17, 4620824), (26, 3021308), (34, 2310412), (52, 1510654), (68, 1155206), (104, 755327), (136, 577603), (157, 500344), (221, 355448), (283, 277576), (314, 250172), (442, 177724), (566, 138788), (628, 125086), (884, 88862), (1132, 69394), (1256, 62543), (1768, 44431), (2041, 38488), (2264, 34697), (2669, 29432), (3679, 21352), (4082, 19244), (4811, 16328), (5338, 14716), (7358, 10676), (8164, 9622)]