71291605

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1$

素因数の和:226

約数の個数: 64

約数和(自身を含む): 113799168

約数和(自身を除く): 42507563

約数列:

[1, 5, 7, 11, 23, 35, 55, 77, 83, 97, 115, 161, 253, 385, 415, 485, 581, 679, 805, 913, 1067, 1265, 1771, 1909, 2231, 2905, 3395, 4565, 5335, 6391, 7469, 8051, 8855, 9545, 11155, 13363, 15617, 20999, 24541, 31955, 37345, 40255, 56357, 66815, 78085, 88561, 104995, 122705, 146993, 171787, 185173, 281785, 442805, 619927, 734965, 858935, 925865, 1296211, 2036903, 3099635, 6481055, 10184515, 14258321, 71291605]

約数ペア:

[(1, 71291605), (5, 14258321), (7, 10184515), (11, 6481055), (23, 3099635), (35, 2036903), (55, 1296211), (77, 925865), (83, 858935), (97, 734965), (115, 619927), (161, 442805), (253, 281785), (385, 185173), (415, 171787), (485, 146993), (581, 122705), (679, 104995), (805, 88561), (913, 78085), (1067, 66815), (1265, 56357), (1771, 40255), (1909, 37345), (2231, 31955), (2905, 24541), (3395, 20999), (4565, 15617), (5335, 13363), (6391, 11155), (7469, 9545), (8051, 8855)]