197204007

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{677}}^1$

素因数の和:808

約数の個数: 64

約数和(自身を含む): 357202944

約数和(自身を除く): 159998937

約数列:

[1, 3, 7, 11, 13, 21, 33, 39, 77, 91, 97, 143, 231, 273, 291, 429, 677, 679, 1001, 1067, 1261, 2031, 2037, 3003, 3201, 3783, 4739, 7447, 7469, 8801, 8827, 13871, 14217, 22341, 22407, 26403, 26481, 41613, 52129, 61607, 65669, 96811, 97097, 156387, 184821, 197007, 290433, 291291, 459683, 677677, 722359, 853697, 1379049, 2033031, 2167077, 2561091, 5056513, 5975879, 9390667, 15169539, 17927637, 28172001, 65734669, 197204007]

約数ペア:

[(1, 197204007), (3, 65734669), (7, 28172001), (11, 17927637), (13, 15169539), (21, 9390667), (33, 5975879), (39, 5056513), (77, 2561091), (91, 2167077), (97, 2033031), (143, 1379049), (231, 853697), (273, 722359), (291, 677677), (429, 459683), (677, 291291), (679, 290433), (1001, 197007), (1067, 184821), (1261, 156387), (2031, 97097), (2037, 96811), (3003, 65669), (3201, 61607), (3783, 52129), (4739, 41613), (7447, 26481), (7469, 26403), (8801, 22407), (8827, 22341), (13871, 14217)]