1640240538

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{11885801}}^1$

素因数の和:11885829

約数の個数: 16

約数和(自身を含む): 3423110976

約数和(自身を除く): 1782870438

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 11885801, 23771602, 35657403, 71314806, 273373423, 546746846, 820120269, 1640240538]

約数ペア:

[(1, 1640240538), (2, 820120269), (3, 546746846), (6, 273373423), (23, 71314806), (46, 35657403), (69, 23771602), (138, 11885801)]