155420356

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{337}}^1$

素因数の和:549

約数の個数: 72

約数和(自身を含む): 343628376

約数和(自身を除く): 188208020

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 181, 182, 196, 337, 362, 364, 637, 674, 724, 1267, 1274, 1348, 2353, 2359, 2534, 2548, 4381, 4706, 4718, 5068, 8762, 8869, 9412, 9436, 16471, 16513, 17524, 17738, 30667, 32942, 33026, 35476, 60997, 61334, 65884, 66052, 115297, 121994, 122668, 214669, 230594, 243988, 426979, 429338, 461188, 792961, 853958, 858676, 1585922, 1707916, 2988853, 3171844, 5550727, 5977706, 11101454, 11955412, 22202908, 38855089, 77710178, 155420356]

約数ペア:

[(1, 155420356), (2, 77710178), (4, 38855089), (7, 22202908), (13, 11955412), (14, 11101454), (26, 5977706), (28, 5550727), (49, 3171844), (52, 2988853), (91, 1707916), (98, 1585922), (181, 858676), (182, 853958), (196, 792961), (337, 461188), (362, 429338), (364, 426979), (637, 243988), (674, 230594), (724, 214669), (1267, 122668), (1274, 121994), (1348, 115297), (2353, 66052), (2359, 65884), (2534, 61334), (2548, 60997), (4381, 35476), (4706, 33026), (4718, 32942), (5068, 30667), (8762, 17738), (8869, 17524), (9412, 16513), (9436, 16471)]