257473314

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{241}}^1$

素因数の和:456

約数の個数: 96

約数和(自身を含む): 655374720

約数和(自身を除く): 397901406

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 61, 63, 122, 126, 139, 183, 241, 278, 366, 417, 427, 482, 549, 723, 834, 854, 973, 1098, 1251, 1281, 1446, 1687, 1946, 2169, 2502, 2562, 2919, 3374, 3843, 4338, 5061, 5838, 7686, 8479, 8757, 10122, 14701, 15183, 16958, 17514, 25437, 29402, 30366, 33499, 44103, 50874, 59353, 66998, 76311, 88206, 100497, 102907, 118706, 132309, 152622, 178059, 200994, 205814, 234493, 264618, 301491, 308721, 356118, 468986, 534177, 602982, 617442, 703479, 926163, 1068354, 1406958, 1852326, 2043439, 2110437, 4086878, 4220874, 6130317, 12260634, 14304073, 18390951, 28608146, 36781902, 42912219, 85824438, 128736657, 257473314]

約数ペア:

[(1, 257473314), (2, 128736657), (3, 85824438), (6, 42912219), (7, 36781902), (9, 28608146), (14, 18390951), (18, 14304073), (21, 12260634), (42, 6130317), (61, 4220874), (63, 4086878), (122, 2110437), (126, 2043439), (139, 1852326), (183, 1406958), (241, 1068354), (278, 926163), (366, 703479), (417, 617442), (427, 602982), (482, 534177), (549, 468986), (723, 356118), (834, 308721), (854, 301491), (973, 264618), (1098, 234493), (1251, 205814), (1281, 200994), (1446, 178059), (1687, 152622), (1946, 132309), (2169, 118706), (2502, 102907), (2562, 100497), (2919, 88206), (3374, 76311), (3843, 66998), (4338, 59353), (5061, 50874), (5838, 44103), (7686, 33499), (8479, 30366), (8757, 29402), (10122, 25437), (14701, 17514), (15183, 16958)]