148947421

素因数分解:

$7^1\times {\mathrm{17}}^3\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:190

約数の個数: 32

約数和(自身を含む): 186416640

約数和(自身を除く): 37469219

約数列:

[1, 7, 17, 61, 71, 119, 289, 427, 497, 1037, 1207, 2023, 4331, 4913, 7259, 8449, 17629, 20519, 30317, 34391, 73627, 123403, 143633, 299693, 348823, 515389, 1251659, 2097851, 2441761, 8761613, 21278203, 148947421]

約数ペア:

[(1, 148947421), (7, 21278203), (17, 8761613), (61, 2441761), (71, 2097851), (119, 1251659), (289, 515389), (427, 348823), (497, 299693), (1037, 143633), (1207, 123403), (2023, 73627), (4331, 34391), (4913, 30317), (7259, 20519), (8449, 17629)]