221425318

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{659}}^1\times {\mathrm{3907}}^1$

素因数の和:4611

約数の個数: 16

約数和(自身を含む): 340464960

約数和(自身を除く): 119039642

約数列:

[1, 2, 43, 86, 659, 1318, 3907, 7814, 28337, 56674, 168001, 336002, 2574713, 5149426, 110712659, 221425318]

約数ペア:

[(1, 221425318), (2, 110712659), (43, 5149426), (86, 2574713), (659, 336002), (1318, 168001), (3907, 56674), (7814, 28337)]