1256222786

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1$

素因数の和:328

約数の個数: 128

約数和(自身を含む): 2601123840

約数和(自身を除く): 1344901054

約数列:

[1, 2, 7, 13, 14, 17, 23, 26, 34, 46, 91, 119, 127, 139, 161, 182, 221, 238, 254, 278, 299, 322, 391, 442, 598, 782, 889, 973, 1547, 1651, 1778, 1807, 1946, 2093, 2159, 2363, 2737, 2921, 3094, 3197, 3302, 3614, 4186, 4318, 4726, 5083, 5474, 5842, 6394, 10166, 11557, 12649, 15113, 16541, 17653, 20447, 22379, 23114, 25298, 28067, 30226, 30719, 33082, 35306, 35581, 37973, 40894, 41561, 44758, 49657, 54349, 56134, 61438, 71162, 75946, 83122, 99314, 108698, 123571, 196469, 215033, 229489, 247142, 265811, 290927, 300101, 347599, 380443, 392938, 406019, 430066, 458978, 531622, 581854, 600202, 645541, 695198, 706537, 760886, 812038, 1291082, 1413074, 1606423, 2100707, 2842133, 3212846, 3901313, 4201414, 4518787, 4945759, 5278247, 5684266, 6902323, 7802626, 9037574, 9891518, 10556494, 13804646, 27309191, 36947729, 48316261, 54618382, 73895458, 89730199, 96632522, 179460398, 628111393, 1256222786]

約数ペア:

[(1, 1256222786), (2, 628111393), (7, 179460398), (13, 96632522), (14, 89730199), (17, 73895458), (23, 54618382), (26, 48316261), (34, 36947729), (46, 27309191), (91, 13804646), (119, 10556494), (127, 9891518), (139, 9037574), (161, 7802626), (182, 6902323), (221, 5684266), (238, 5278247), (254, 4945759), (278, 4518787), (299, 4201414), (322, 3901313), (391, 3212846), (442, 2842133), (598, 2100707), (782, 1606423), (889, 1413074), (973, 1291082), (1547, 812038), (1651, 760886), (1778, 706537), (1807, 695198), (1946, 645541), (2093, 600202), (2159, 581854), (2363, 531622), (2737, 458978), (2921, 430066), (3094, 406019), (3197, 392938), (3302, 380443), (3614, 347599), (4186, 300101), (4318, 290927), (4726, 265811), (5083, 247142), (5474, 229489), (5842, 215033), (6394, 196469), (10166, 123571), (11557, 108698), (12649, 99314), (15113, 83122), (16541, 75946), (17653, 71162), (20447, 61438), (22379, 56134), (23114, 54349), (25298, 49657), (28067, 44758), (30226, 41561), (30719, 40894), (33082, 37973), (35306, 35581)]