27985958

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1997}}^1$

素因数の和:2037

約数の個数: 48

約数和(自身を含む): 57398544

約数和(自身を除く): 29412586

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 49, 77, 91, 98, 143, 154, 182, 286, 539, 637, 1001, 1078, 1274, 1997, 2002, 3994, 7007, 13979, 14014, 21967, 25961, 27958, 43934, 51922, 97853, 153769, 181727, 195706, 285571, 307538, 363454, 571142, 1076383, 1272089, 1998997, 2152766, 2544178, 3997994, 13992979, 27985958]

約数ペア:

[(1, 27985958), (2, 13992979), (7, 3997994), (11, 2544178), (13, 2152766), (14, 1998997), (22, 1272089), (26, 1076383), (49, 571142), (77, 363454), (91, 307538), (98, 285571), (143, 195706), (154, 181727), (182, 153769), (286, 97853), (539, 51922), (637, 43934), (1001, 27958), (1078, 25961), (1274, 21967), (1997, 14014), (2002, 13979), (3994, 7007)]