1640676866

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{653}}^1\times {\mathrm{1787}}^1$

素因数の和:2498

約数の個数: 32

約数和(自身を含む): 2666122560

約数和(自身を除く): 1025445694

約数列:

[1, 2, 19, 37, 38, 74, 653, 703, 1306, 1406, 1787, 3574, 12407, 24161, 24814, 33953, 48322, 66119, 67906, 132238, 459059, 918118, 1166911, 1256261, 2333822, 2512522, 22171309, 43175707, 44342618, 86351414, 820338433, 1640676866]

約数ペア:

[(1, 1640676866), (2, 820338433), (19, 86351414), (37, 44342618), (38, 43175707), (74, 22171309), (653, 2512522), (703, 2333822), (1306, 1256261), (1406, 1166911), (1787, 918118), (3574, 459059), (12407, 132238), (24161, 67906), (24814, 66119), (33953, 48322)]