1296308

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{257}}^1$

素因数の和:371

約数の個数: 24

約数和(自身を含む): 2477832

約数和(自身を除く): 1181524

約数列:

[1, 2, 4, 13, 26, 52, 97, 194, 257, 388, 514, 1028, 1261, 2522, 3341, 5044, 6682, 13364, 24929, 49858, 99716, 324077, 648154, 1296308]

約数ペア:

[(1, 1296308), (2, 648154), (4, 324077), (13, 99716), (26, 49858), (52, 24929), (97, 13364), (194, 6682), (257, 5044), (388, 3341), (514, 2522), (1028, 1261)]