891512545

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{1213}}^1$

素因数の和:1342

約数の個数: 64

約数和(自身を含む): 1409716224

約数和(自身を除く): 518203679

約数列:

[1, 5, 7, 11, 23, 35, 55, 77, 83, 115, 161, 253, 385, 415, 581, 805, 913, 1213, 1265, 1771, 1909, 2905, 4565, 6065, 6391, 8491, 8855, 9545, 13343, 13363, 20999, 27899, 31955, 42455, 66715, 66815, 93401, 100679, 104995, 139495, 146993, 195293, 306889, 467005, 503395, 704753, 734965, 976465, 1107469, 1534445, 2148223, 2315617, 3523765, 5537345, 7752283, 10741115, 11578085, 16209319, 25471787, 38761415, 81046595, 127358935, 178302509, 891512545]

約数ペア:

[(1, 891512545), (5, 178302509), (7, 127358935), (11, 81046595), (23, 38761415), (35, 25471787), (55, 16209319), (77, 11578085), (83, 10741115), (115, 7752283), (161, 5537345), (253, 3523765), (385, 2315617), (415, 2148223), (581, 1534445), (805, 1107469), (913, 976465), (1213, 734965), (1265, 704753), (1771, 503395), (1909, 467005), (2905, 306889), (4565, 195293), (6065, 146993), (6391, 139495), (8491, 104995), (8855, 100679), (9545, 93401), (13343, 66815), (13363, 66715), (20999, 42455), (27899, 31955)]