209901692

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{7489}}^1$

素因数の和:7531

約数の個数: 72

約数和(自身を含む): 502069680

約数和(自身を除く): 292167988

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 49, 52, 77, 91, 98, 143, 154, 182, 196, 286, 308, 364, 539, 572, 637, 1001, 1078, 1274, 2002, 2156, 2548, 4004, 7007, 7489, 14014, 14978, 28028, 29956, 52423, 82379, 97357, 104846, 164758, 194714, 209692, 329516, 366961, 389428, 576653, 681499, 733922, 1070927, 1153306, 1362998, 1467844, 2141854, 2306612, 2725996, 4036571, 4283708, 4770493, 7496489, 8073142, 9540986, 14992978, 16146284, 19081972, 29985956, 52475423, 104950846, 209901692]

約数ペア:

[(1, 209901692), (2, 104950846), (4, 52475423), (7, 29985956), (11, 19081972), (13, 16146284), (14, 14992978), (22, 9540986), (26, 8073142), (28, 7496489), (44, 4770493), (49, 4283708), (52, 4036571), (77, 2725996), (91, 2306612), (98, 2141854), (143, 1467844), (154, 1362998), (182, 1153306), (196, 1070927), (286, 733922), (308, 681499), (364, 576653), (539, 389428), (572, 366961), (637, 329516), (1001, 209692), (1078, 194714), (1274, 164758), (2002, 104846), (2156, 97357), (2548, 82379), (4004, 52423), (7007, 29956), (7489, 28028), (14014, 14978)]