197216943

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1$

素因数の和:308

約数の個数: 64

約数和(自身を含む): 338411520

約数和(自身を除く): 141194577

約数列:

[1, 3, 7, 11, 21, 33, 77, 79, 101, 107, 231, 237, 303, 321, 553, 707, 749, 869, 1111, 1177, 1659, 2121, 2247, 2607, 3333, 3531, 6083, 7777, 7979, 8239, 8453, 10807, 18249, 23331, 23937, 24717, 25359, 32421, 55853, 59171, 75649, 87769, 92983, 118877, 167559, 177513, 226947, 263307, 278949, 356631, 614383, 650881, 832139, 853753, 1843149, 1952643, 2496417, 2561259, 5976271, 9391283, 17928813, 28173849, 65738981, 197216943]

約数ペア:

[(1, 197216943), (3, 65738981), (7, 28173849), (11, 17928813), (21, 9391283), (33, 5976271), (77, 2561259), (79, 2496417), (101, 1952643), (107, 1843149), (231, 853753), (237, 832139), (303, 650881), (321, 614383), (553, 356631), (707, 278949), (749, 263307), (869, 226947), (1111, 177513), (1177, 167559), (1659, 118877), (2121, 92983), (2247, 87769), (2607, 75649), (3333, 59171), (3531, 55853), (6083, 32421), (7777, 25359), (7979, 24717), (8239, 23937), (8453, 23331), (10807, 18249)]