168420538

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{271}}^1$

素因数の和:391

約数の個数: 64

約数和(自身を含む): 310915584

約数和(自身を除く): 142495046

約数列:

[1, 2, 11, 13, 22, 26, 41, 53, 82, 106, 143, 271, 286, 451, 533, 542, 583, 689, 902, 1066, 1166, 1378, 2173, 2981, 3523, 4346, 5863, 5962, 7046, 7579, 11111, 11726, 14363, 15158, 22222, 23903, 28249, 28726, 38753, 47806, 56498, 77506, 122221, 144443, 157993, 186719, 244442, 288886, 310739, 315986, 373438, 588883, 621478, 1177766, 1588873, 2053909, 3177746, 4107818, 6477713, 7655479, 12955426, 15310958, 84210269, 168420538]

約数ペア:

[(1, 168420538), (2, 84210269), (11, 15310958), (13, 12955426), (22, 7655479), (26, 6477713), (41, 4107818), (53, 3177746), (82, 2053909), (106, 1588873), (143, 1177766), (271, 621478), (286, 588883), (451, 373438), (533, 315986), (542, 310739), (583, 288886), (689, 244442), (902, 186719), (1066, 157993), (1166, 144443), (1378, 122221), (2173, 77506), (2981, 56498), (3523, 47806), (4346, 38753), (5863, 28726), (5962, 28249), (7046, 23903), (7579, 22222), (11111, 15158), (11726, 14363)]