16840278

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1$

素因数の和:203

約数の個数: 128

約数和(自身を含む): 48384000

約数和(自身を除く): 31543722

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 23, 26, 27, 39, 42, 46, 54, 63, 69, 78, 91, 117, 126, 138, 149, 161, 182, 189, 207, 234, 273, 298, 299, 322, 351, 378, 414, 447, 483, 546, 598, 621, 702, 819, 894, 897, 966, 1043, 1242, 1341, 1449, 1638, 1794, 1937, 2086, 2093, 2457, 2682, 2691, 2898, 3129, 3427, 3874, 4023, 4186, 4347, 4914, 5382, 5811, 6258, 6279, 6854, 8046, 8073, 8694, 9387, 10281, 11622, 12558, 13559, 16146, 17433, 18774, 18837, 20562, 23989, 27118, 28161, 30843, 34866, 37674, 40677, 44551, 47978, 52299, 56322, 56511, 61686, 71967, 81354, 89102, 92529, 104598, 113022, 122031, 133653, 143934, 185058, 215901, 244062, 267306, 311857, 366093, 400959, 431802, 623714, 647703, 732186, 801918, 935571, 1202877, 1295406, 1871142, 2405754, 2806713, 5613426, 8420139, 16840278]

約数ペア:

[(1, 16840278), (2, 8420139), (3, 5613426), (6, 2806713), (7, 2405754), (9, 1871142), (13, 1295406), (14, 1202877), (18, 935571), (21, 801918), (23, 732186), (26, 647703), (27, 623714), (39, 431802), (42, 400959), (46, 366093), (54, 311857), (63, 267306), (69, 244062), (78, 215901), (91, 185058), (117, 143934), (126, 133653), (138, 122031), (149, 113022), (161, 104598), (182, 92529), (189, 89102), (207, 81354), (234, 71967), (273, 61686), (298, 56511), (299, 56322), (322, 52299), (351, 47978), (378, 44551), (414, 40677), (447, 37674), (483, 34866), (546, 30843), (598, 28161), (621, 27118), (702, 23989), (819, 20562), (894, 18837), (897, 18774), (966, 17433), (1043, 16146), (1242, 13559), (1341, 12558), (1449, 11622), (1638, 10281), (1794, 9387), (1937, 8694), (2086, 8073), (2093, 8046), (2457, 6854), (2682, 6279), (2691, 6258), (2898, 5811), (3129, 5382), (3427, 4914), (3874, 4347), (4023, 4186)]