12680406

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{281}}^1$

素因数の和:421

約数の個数: 48

約数和(自身を含む): 29034720

約数和(自身を除く): 16354314

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 109, 138, 207, 218, 281, 327, 414, 562, 654, 843, 981, 1686, 1962, 2507, 2529, 5014, 5058, 6463, 7521, 12926, 15042, 19389, 22563, 30629, 38778, 45126, 58167, 61258, 91887, 116334, 183774, 275661, 551322, 704467, 1408934, 2113401, 4226802, 6340203, 12680406]

約数ペア:

[(1, 12680406), (2, 6340203), (3, 4226802), (6, 2113401), (9, 1408934), (18, 704467), (23, 551322), (46, 275661), (69, 183774), (109, 116334), (138, 91887), (207, 61258), (218, 58167), (281, 45126), (327, 38778), (414, 30629), (562, 22563), (654, 19389), (843, 15042), (981, 12926), (1686, 7521), (1962, 6463), (2507, 5058), (2529, 5014)]