78778336

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^2\times {\mathrm{2081}}^1$

素因数の和:2124

約数の個数: 72

約数和(自身を含む): 192027024

約数和(自身を除く): 113248688

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 91, 104, 112, 169, 182, 208, 224, 338, 364, 416, 676, 728, 1183, 1352, 1456, 2081, 2366, 2704, 2912, 4162, 4732, 5408, 8324, 9464, 14567, 16648, 18928, 27053, 29134, 33296, 37856, 54106, 58268, 66592, 108212, 116536, 189371, 216424, 233072, 351689, 378742, 432848, 466144, 703378, 757484, 865696, 1406756, 1514968, 2461823, 2813512, 3029936, 4923646, 5627024, 6059872, 9847292, 11254048, 19694584, 39389168, 78778336]

約数ペア:

[(1, 78778336), (2, 39389168), (4, 19694584), (7, 11254048), (8, 9847292), (13, 6059872), (14, 5627024), (16, 4923646), (26, 3029936), (28, 2813512), (32, 2461823), (52, 1514968), (56, 1406756), (91, 865696), (104, 757484), (112, 703378), (169, 466144), (182, 432848), (208, 378742), (224, 351689), (338, 233072), (364, 216424), (416, 189371), (676, 116536), (728, 108212), (1183, 66592), (1352, 58268), (1456, 54106), (2081, 37856), (2366, 33296), (2704, 29134), (2912, 27053), (4162, 18928), (4732, 16648), (5408, 14567), (8324, 9464)]