515008

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{619}}^1$

素因数の和:644

約数の個数: 28

約数和(自身を含む): 1102360

約数和(自身を除く): 587352

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 619, 832, 1238, 2476, 4952, 8047, 9904, 16094, 19808, 32188, 39616, 64376, 128752, 257504, 515008]

約数ペア:

[(1, 515008), (2, 257504), (4, 128752), (8, 64376), (13, 39616), (16, 32188), (26, 19808), (32, 16094), (52, 9904), (64, 8047), (104, 4952), (208, 2476), (416, 1238), (619, 832)]