685166706

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{389}}^1\times {\mathrm{1997}}^1$

素因数の和:2408

約数の個数: 72

約数和(自身を含む): 1732206060

約数和(自身を除く): 1047039354

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 294, 389, 441, 778, 882, 1167, 1997, 2334, 2723, 3501, 3994, 5446, 5991, 7002, 8169, 11982, 13979, 16338, 17973, 19061, 24507, 27958, 35946, 38122, 41937, 49014, 57183, 83874, 97853, 114366, 125811, 171549, 195706, 251622, 293559, 343098, 587118, 776833, 880677, 1553666, 1761354, 2330499, 4660998, 5437831, 6991497, 10875662, 13982994, 16313493, 32626986, 38064817, 48940479, 76129634, 97880958, 114194451, 228388902, 342583353, 685166706]

約数ペア:

[(1, 685166706), (2, 342583353), (3, 228388902), (6, 114194451), (7, 97880958), (9, 76129634), (14, 48940479), (18, 38064817), (21, 32626986), (42, 16313493), (49, 13982994), (63, 10875662), (98, 6991497), (126, 5437831), (147, 4660998), (294, 2330499), (389, 1761354), (441, 1553666), (778, 880677), (882, 776833), (1167, 587118), (1997, 343098), (2334, 293559), (2723, 251622), (3501, 195706), (3994, 171549), (5446, 125811), (5991, 114366), (7002, 97853), (8169, 83874), (11982, 57183), (13979, 49014), (16338, 41937), (17973, 38122), (19061, 35946), (24507, 27958)]