26780416

素因数分解:

$2^8\times {\mathrm{13}}^2\times {\mathrm{619}}^1$

素因数の和:661

約数の個数: 54

約数和(自身を含む): 57978060

約数和(自身を除く): 31197644

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 169, 208, 256, 338, 416, 619, 676, 832, 1238, 1352, 1664, 2476, 2704, 3328, 4952, 5408, 8047, 9904, 10816, 16094, 19808, 21632, 32188, 39616, 43264, 64376, 79232, 104611, 128752, 158464, 209222, 257504, 418444, 515008, 836888, 1030016, 1673776, 2060032, 3347552, 6695104, 13390208, 26780416]

約数ペア:

[(1, 26780416), (2, 13390208), (4, 6695104), (8, 3347552), (13, 2060032), (16, 1673776), (26, 1030016), (32, 836888), (52, 515008), (64, 418444), (104, 257504), (128, 209222), (169, 158464), (208, 128752), (256, 104611), (338, 79232), (416, 64376), (619, 43264), (676, 39616), (832, 32188), (1238, 21632), (1352, 19808), (1664, 16094), (2476, 10816), (2704, 9904), (3328, 8047), (4952, 5408)]