215359976

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{997}}^1$

素因数の和:1114

約数の個数: 64

約数和(自身を含む): 456046080

約数和(自身を除く): 240686104

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 67, 104, 124, 134, 248, 268, 403, 536, 806, 871, 997, 1612, 1742, 1994, 2077, 3224, 3484, 3988, 4154, 6968, 7976, 8308, 12961, 16616, 25922, 27001, 30907, 51844, 54002, 61814, 66799, 103688, 108004, 123628, 133598, 216008, 247256, 267196, 401791, 534392, 803582, 868387, 1607164, 1736774, 2070769, 3214328, 3473548, 4141538, 6947096, 8283076, 16566152, 26919997, 53839994, 107679988, 215359976]

約数ペア:

[(1, 215359976), (2, 107679988), (4, 53839994), (8, 26919997), (13, 16566152), (26, 8283076), (31, 6947096), (52, 4141538), (62, 3473548), (67, 3214328), (104, 2070769), (124, 1736774), (134, 1607164), (248, 868387), (268, 803582), (403, 534392), (536, 401791), (806, 267196), (871, 247256), (997, 216008), (1612, 133598), (1742, 123628), (1994, 108004), (2077, 103688), (3224, 66799), (3484, 61814), (3988, 54002), (4154, 51844), (6968, 30907), (7976, 27001), (8308, 25922), (12961, 16616)]