30871778

素因数分解:

$2^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{271}}^1$

素因数の和:462

約数の個数: 32

約数和(自身を含む): 54312960

約数和(自身を除く): 23441182

約数列:

[1, 2, 7, 14, 79, 103, 158, 206, 271, 542, 553, 721, 1106, 1442, 1897, 3794, 8137, 16274, 21409, 27913, 42818, 55826, 56959, 113918, 149863, 195391, 299726, 390782, 2205127, 4410254, 15435889, 30871778]

約数ペア:

[(1, 30871778), (2, 15435889), (7, 4410254), (14, 2205127), (79, 390782), (103, 299726), (158, 195391), (206, 149863), (271, 113918), (542, 56959), (553, 55826), (721, 42818), (1106, 27913), (1442, 21409), (1897, 16274), (3794, 8137)]