211213908

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{257}}^1\times {\mathrm{617}}^1$

素因数の和:921

約数の個数: 72

約数和(自身を含む): 551357352

約数和(自身を除く): 340143444

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 74, 111, 148, 222, 257, 333, 444, 514, 617, 666, 771, 1028, 1234, 1332, 1542, 1851, 2313, 2468, 3084, 3702, 4626, 5553, 7404, 9252, 9509, 11106, 19018, 22212, 22829, 28527, 38036, 45658, 57054, 68487, 85581, 91316, 114108, 136974, 158569, 171162, 205461, 273948, 317138, 342324, 410922, 475707, 634276, 821844, 951414, 1427121, 1902828, 2854242, 5708484, 5867053, 11734106, 17601159, 23468212, 35202318, 52803477, 70404636, 105606954, 211213908]

約数ペア:

[(1, 211213908), (2, 105606954), (3, 70404636), (4, 52803477), (6, 35202318), (9, 23468212), (12, 17601159), (18, 11734106), (36, 5867053), (37, 5708484), (74, 2854242), (111, 1902828), (148, 1427121), (222, 951414), (257, 821844), (333, 634276), (444, 475707), (514, 410922), (617, 342324), (666, 317138), (771, 273948), (1028, 205461), (1234, 171162), (1332, 158569), (1542, 136974), (1851, 114108), (2313, 91316), (2468, 85581), (3084, 68487), (3702, 57054), (4626, 45658), (5553, 38036), (7404, 28527), (9252, 22829), (9509, 22212), (11106, 19018)]