198551444

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{1511}}^1$

素因数の和:1573

約数の個数: 72

約数和(自身を含む): 451640448

約数和(自身を除く): 253089004

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 38, 52, 76, 91, 133, 182, 247, 266, 361, 364, 494, 532, 722, 988, 1444, 1511, 1729, 2527, 3022, 3458, 4693, 5054, 6044, 6916, 9386, 10108, 10577, 18772, 19643, 21154, 28709, 32851, 39286, 42308, 57418, 65702, 78572, 114836, 131404, 137501, 200963, 275002, 373217, 401926, 545471, 550004, 746434, 803852, 1090942, 1492868, 2181884, 2612519, 3818297, 5225038, 7091123, 7636594, 10450076, 14182246, 15273188, 28364492, 49637861, 99275722, 198551444]

約数ペア:

[(1, 198551444), (2, 99275722), (4, 49637861), (7, 28364492), (13, 15273188), (14, 14182246), (19, 10450076), (26, 7636594), (28, 7091123), (38, 5225038), (52, 3818297), (76, 2612519), (91, 2181884), (133, 1492868), (182, 1090942), (247, 803852), (266, 746434), (361, 550004), (364, 545471), (494, 401926), (532, 373217), (722, 275002), (988, 200963), (1444, 137501), (1511, 131404), (1729, 114836), (2527, 78572), (3022, 65702), (3458, 57418), (4693, 42308), (5054, 39286), (6044, 32851), (6916, 28709), (9386, 21154), (10108, 19643), (10577, 18772)]