1323643475

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{281}}^1\times {\mathrm{2447}}^1$

素因数の和:2756

約数の個数: 48

約数和(自身を含む): 2054439936

約数和(自身を除く): 730796461

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 175, 275, 281, 385, 1405, 1925, 1967, 2447, 3091, 7025, 9835, 12235, 15455, 17129, 21637, 26917, 49175, 61175, 77275, 85645, 108185, 134585, 188419, 428225, 540925, 672925, 687607, 942095, 3438035, 4710475, 4813249, 7563677, 17190175, 24066245, 37818385, 52945739, 120331225, 189091925, 264728695, 1323643475]

約数ペア:

[(1, 1323643475), (5, 264728695), (7, 189091925), (11, 120331225), (25, 52945739), (35, 37818385), (55, 24066245), (77, 17190175), (175, 7563677), (275, 4813249), (281, 4710475), (385, 3438035), (1405, 942095), (1925, 687607), (1967, 672925), (2447, 540925), (3091, 428225), (7025, 188419), (9835, 134585), (12235, 108185), (15455, 85645), (17129, 77275), (21637, 61175), (26917, 49175)]