27943916

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{997}}^1$

素因数の和:1039

約数の個数: 72

約数和(自身を含む): 66897936

約数和(自身を除く): 38954020

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, 997, 1001, 1078, 1274, 1994, 2002, 2156, 2548, 3988, 4004, 6979, 7007, 10967, 12961, 13958, 14014, 21934, 25922, 27916, 28028, 43868, 48853, 51844, 76769, 90727, 97706, 142571, 153538, 181454, 195412, 285142, 307076, 362908, 537383, 570284, 635089, 997997, 1074766, 1270178, 1995994, 2149532, 2540356, 3991988, 6985979, 13971958, 27943916]

約数ペア:

[(1, 27943916), (2, 13971958), (4, 6985979), (7, 3991988), (11, 2540356), (13, 2149532), (14, 1995994), (22, 1270178), (26, 1074766), (28, 997997), (44, 635089), (49, 570284), (52, 537383), (77, 362908), (91, 307076), (98, 285142), (143, 195412), (154, 181454), (182, 153538), (196, 142571), (286, 97706), (308, 90727), (364, 76769), (539, 51844), (572, 48853), (637, 43868), (997, 28028), (1001, 27916), (1078, 25922), (1274, 21934), (1994, 14014), (2002, 13958), (2156, 12961), (2548, 10967), (3988, 7007), (4004, 6979)]