204493289

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1$

素因数の和:306

約数の個数: 64

約数和(自身を含む): 296980992

約数和(自身を除く): 92487703

約数列:

[1, 7, 11, 13, 17, 61, 77, 91, 119, 143, 187, 197, 221, 427, 671, 793, 1001, 1037, 1309, 1379, 1547, 2167, 2431, 2561, 3349, 4697, 5551, 7259, 8723, 11407, 12017, 13481, 15169, 17017, 17927, 23443, 28171, 36839, 43537, 61061, 79849, 84119, 94367, 132187, 148291, 156221, 197197, 204289, 257873, 304759, 478907, 925309, 1038037, 1093547, 1430023, 1718431, 2247179, 2655757, 3352349, 12029017, 15730253, 18590299, 29213327, 204493289]

約数ペア:

[(1, 204493289), (7, 29213327), (11, 18590299), (13, 15730253), (17, 12029017), (61, 3352349), (77, 2655757), (91, 2247179), (119, 1718431), (143, 1430023), (187, 1093547), (197, 1038037), (221, 925309), (427, 478907), (671, 304759), (793, 257873), (1001, 204289), (1037, 197197), (1309, 156221), (1379, 148291), (1547, 132187), (2167, 94367), (2431, 84119), (2561, 79849), (3349, 61061), (4697, 43537), (5551, 36839), (7259, 28171), (8723, 23443), (11407, 17927), (12017, 17017), (13481, 15169)]