258306590

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{521}}^1\times {\mathrm{1153}}^1$

素因数の和:1724

約数の個数: 32

約数和(自身を含む): 477091296

約数和(自身を除く): 218784706

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 521, 1042, 1153, 2306, 2605, 5210, 5765, 11530, 22403, 44806, 49579, 99158, 112015, 224030, 247895, 495790, 600713, 1201426, 3003565, 6007130, 25830659, 51661318, 129153295, 258306590]

約数ペア:

[(1, 258306590), (2, 129153295), (5, 51661318), (10, 25830659), (43, 6007130), (86, 3003565), (215, 1201426), (430, 600713), (521, 495790), (1042, 247895), (1153, 224030), (2306, 112015), (2605, 99158), (5210, 49579), (5765, 44806), (11530, 22403)]