61878908

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1223}}^1$

素因数の和:1386

約数の個数: 48

約数和(自身を含む): 134346240

約数和(自身を除く): 72467332

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 139, 182, 278, 364, 556, 973, 1223, 1807, 1946, 2446, 3614, 3892, 4892, 7228, 8561, 12649, 15899, 17122, 25298, 31798, 34244, 50596, 63596, 111293, 169997, 222586, 339994, 445172, 679988, 1189979, 2209961, 2379958, 4419922, 4759916, 8839844, 15469727, 30939454, 61878908]

約数ペア:

[(1, 61878908), (2, 30939454), (4, 15469727), (7, 8839844), (13, 4759916), (14, 4419922), (26, 2379958), (28, 2209961), (52, 1189979), (91, 679988), (139, 445172), (182, 339994), (278, 222586), (364, 169997), (556, 111293), (973, 63596), (1223, 50596), (1807, 34244), (1946, 31798), (2446, 25298), (3614, 17122), (3892, 15899), (4892, 12649), (7228, 8561)]