257319504

素因数分解:

$2^4\times 3^6\times {\mathrm{13}}^1\times {\mathrm{1697}}^1$

素因数の和:1736

約数の個数: 140

約数和(自身を含む): 805466676

約数和(自身を除く): 548147172

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 36, 39, 48, 52, 54, 72, 78, 81, 104, 108, 117, 144, 156, 162, 208, 216, 234, 243, 312, 324, 351, 432, 468, 486, 624, 648, 702, 729, 936, 972, 1053, 1296, 1404, 1458, 1697, 1872, 1944, 2106, 2808, 2916, 3159, 3394, 3888, 4212, 5091, 5616, 5832, 6318, 6788, 8424, 9477, 10182, 11664, 12636, 13576, 15273, 16848, 18954, 20364, 22061, 25272, 27152, 30546, 37908, 40728, 44122, 45819, 50544, 61092, 66183, 75816, 81456, 88244, 91638, 122184, 132366, 137457, 151632, 176488, 183276, 198549, 244368, 264732, 274914, 352976, 366552, 397098, 412371, 529464, 549828, 595647, 733104, 794196, 824742, 1058928, 1099656, 1191294, 1237113, 1588392, 1649484, 1786941, 2199312, 2382588, 2474226, 3176784, 3298968, 3573882, 4765176, 4948452, 5360823, 6597936, 7147764, 9530352, 9896904, 10721646, 14295528, 16082469, 19793808, 21443292, 28591056, 32164938, 42886584, 64329876, 85773168, 128659752, 257319504]

約数ペア:

[(1, 257319504), (2, 128659752), (3, 85773168), (4, 64329876), (6, 42886584), (8, 32164938), (9, 28591056), (12, 21443292), (13, 19793808), (16, 16082469), (18, 14295528), (24, 10721646), (26, 9896904), (27, 9530352), (36, 7147764), (39, 6597936), (48, 5360823), (52, 4948452), (54, 4765176), (72, 3573882), (78, 3298968), (81, 3176784), (104, 2474226), (108, 2382588), (117, 2199312), (144, 1786941), (156, 1649484), (162, 1588392), (208, 1237113), (216, 1191294), (234, 1099656), (243, 1058928), (312, 824742), (324, 794196), (351, 733104), (432, 595647), (468, 549828), (486, 529464), (624, 412371), (648, 397098), (702, 366552), (729, 352976), (936, 274914), (972, 264732), (1053, 244368), (1296, 198549), (1404, 183276), (1458, 176488), (1697, 151632), (1872, 137457), (1944, 132366), (2106, 122184), (2808, 91638), (2916, 88244), (3159, 81456), (3394, 75816), (3888, 66183), (4212, 61092), (5091, 50544), (5616, 45819), (5832, 44122), (6318, 40728), (6788, 37908), (8424, 30546), (9477, 27152), (10182, 25272), (11664, 22061), (12636, 20364), (13576, 18954), (15273, 16848)]