257788646752

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^2\times {\mathrm{6809717}}^1$

素因数の和:6809760

約数の個数: 72

約数和(自身を含む): 628073910576

約数和(自身を除く): 370285263824

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, 2366, 2704, 2912, 4732, 5408, 9464, 18928, 37856, 6809717, 13619434, 27238868, 47668019, 54477736, 88526321, 95336038, 108955472, 177052642, 190672076, 217910944, 354105284, 381344152, 619684247, 708210568, 762688304, 1150842173, 1239368494, 1416421136, 1525376608, 2301684346, 2478736988, 2832842272, 4603368692, 4957473976, 8055895211, 9206737384, 9914947952, 16111790422, 18413474768, 19829895904, 32223580844, 36826949536, 64447161688, 128894323376, 257788646752]

約数ペア:

[(1, 257788646752), (2, 128894323376), (4, 64447161688), (7, 36826949536), (8, 32223580844), (13, 19829895904), (14, 18413474768), (16, 16111790422), (26, 9914947952), (28, 9206737384), (32, 8055895211), (52, 4957473976), (56, 4603368692), (91, 2832842272), (104, 2478736988), (112, 2301684346), (169, 1525376608), (182, 1416421136), (208, 1239368494), (224, 1150842173), (338, 762688304), (364, 708210568), (416, 619684247), (676, 381344152), (728, 354105284), (1183, 217910944), (1352, 190672076), (1456, 177052642), (2366, 108955472), (2704, 95336038), (2912, 88526321), (4732, 54477736), (5408, 47668019), (9464, 27238868), (18928, 13619434), (37856, 6809717)]