196572271

素因数分解:

$7^4\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:217

約数の個数: 40

約数和(自身を含む): 250969600

約数和(自身を除く): 54397329

約数列:

[1, 7, 19, 31, 49, 133, 139, 217, 343, 589, 931, 973, 1519, 2401, 2641, 4123, 4309, 6517, 6811, 10633, 18487, 28861, 30163, 45619, 47677, 74431, 81871, 129409, 202027, 211141, 333739, 573097, 905863, 1414189, 1477987, 4011679, 6341041, 10345909, 28081753, 196572271]

約数ペア:

[(1, 196572271), (7, 28081753), (19, 10345909), (31, 6341041), (49, 4011679), (133, 1477987), (139, 1414189), (217, 905863), (343, 573097), (589, 333739), (931, 211141), (973, 202027), (1519, 129409), (2401, 81871), (2641, 74431), (4123, 47677), (4309, 45619), (6517, 30163), (6811, 28861), (10633, 18487)]