31122130

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{4517}}^1$

素因数の和:4590

約数の個数: 32

約数和(自身を含む): 61480944

約数和(自身を除く): 30358814

約数列:

[1, 2, 5, 10, 13, 26, 53, 65, 106, 130, 265, 530, 689, 1378, 3445, 4517, 6890, 9034, 22585, 45170, 58721, 117442, 239401, 293605, 478802, 587210, 1197005, 2394010, 3112213, 6224426, 15561065, 31122130]

約数ペア:

[(1, 31122130), (2, 15561065), (5, 6224426), (10, 3112213), (13, 2394010), (26, 1197005), (53, 587210), (65, 478802), (106, 293605), (130, 239401), (265, 117442), (530, 58721), (689, 45170), (1378, 22585), (3445, 9034), (4517, 6890)]