256021936

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{202549}}^1$

素因数の和:202636

約数の個数: 20

約数和(自身を含む): 502324000

約数和(自身を除く): 246302064

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 632, 1264, 202549, 405098, 810196, 1620392, 3240784, 16001371, 32002742, 64005484, 128010968, 256021936]

約数ペア:

[(1, 256021936), (2, 128010968), (4, 64005484), (8, 32002742), (16, 16001371), (79, 3240784), (158, 1620392), (316, 810196), (632, 405098), (1264, 202549)]