847984424

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{251}}^1$

素因数の和:391

約数の個数: 128

約数和(自身を含む): 1979873280

約数和(自身を除く): 1131888856

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 43, 46, 56, 61, 86, 92, 122, 161, 172, 184, 244, 251, 301, 322, 344, 427, 488, 502, 602, 644, 854, 989, 1004, 1204, 1288, 1403, 1708, 1757, 1978, 2008, 2408, 2623, 2806, 3416, 3514, 3956, 5246, 5612, 5773, 6923, 7028, 7912, 9821, 10492, 10793, 11224, 11546, 13846, 14056, 15311, 18361, 19642, 20984, 21586, 23092, 27692, 30622, 36722, 39284, 40411, 43172, 46184, 55384, 60329, 61244, 73444, 75551, 78568, 80822, 86344, 107177, 120658, 122488, 146888, 151102, 161644, 214354, 241316, 248239, 302204, 323288, 352153, 422303, 428708, 482632, 496478, 604408, 658373, 704306, 844606, 857416, 992956, 1316746, 1408612, 1689212, 1737673, 1985912, 2465071, 2633492, 2817224, 3378424, 3475346, 4608611, 4930142, 5266984, 6950692, 9217222, 9860284, 13901384, 15142579, 18434444, 19720568, 30285158, 36868888, 60570316, 105998053, 121140632, 211996106, 423992212, 847984424]

約数ペア:

[(1, 847984424), (2, 423992212), (4, 211996106), (7, 121140632), (8, 105998053), (14, 60570316), (23, 36868888), (28, 30285158), (43, 19720568), (46, 18434444), (56, 15142579), (61, 13901384), (86, 9860284), (92, 9217222), (122, 6950692), (161, 5266984), (172, 4930142), (184, 4608611), (244, 3475346), (251, 3378424), (301, 2817224), (322, 2633492), (344, 2465071), (427, 1985912), (488, 1737673), (502, 1689212), (602, 1408612), (644, 1316746), (854, 992956), (989, 857416), (1004, 844606), (1204, 704306), (1288, 658373), (1403, 604408), (1708, 496478), (1757, 482632), (1978, 428708), (2008, 422303), (2408, 352153), (2623, 323288), (2806, 302204), (3416, 248239), (3514, 241316), (3956, 214354), (5246, 161644), (5612, 151102), (5773, 146888), (6923, 122488), (7028, 120658), (7912, 107177), (9821, 86344), (10492, 80822), (10793, 78568), (11224, 75551), (11546, 73444), (13846, 61244), (14056, 60329), (15311, 55384), (18361, 46184), (19642, 43172), (20984, 40411), (21586, 39284), (23092, 36722), (27692, 30622)]