157031126

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{239}}^1\times {\mathrm{661}}^1$

素因数の和:980

約数の個数: 32

約数和(自身を含む): 274544640

約数和(自身を除く): 117513514

約数列:

[1, 2, 7, 14, 71, 142, 239, 478, 497, 661, 994, 1322, 1673, 3346, 4627, 9254, 16969, 33938, 46931, 93862, 118783, 157979, 237566, 315958, 328517, 657034, 1105853, 2211706, 11216509, 22433018, 78515563, 157031126]

約数ペア:

[(1, 157031126), (2, 78515563), (7, 22433018), (14, 11216509), (71, 2211706), (142, 1105853), (239, 657034), (478, 328517), (497, 315958), (661, 237566), (994, 157979), (1322, 118783), (1673, 93862), (3346, 46931), (4627, 33938), (9254, 16969)]