247749430

素因数分解:

$2^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1\times {\mathrm{1301}}^1$

素因数の和:1584

約数の個数: 32

約数和(自身を含む): 452783520

約数和(自身を除く): 205034090

約数列:

[1, 2, 5, 10, 137, 139, 274, 278, 685, 695, 1301, 1370, 1390, 2602, 6505, 13010, 19043, 38086, 95215, 178237, 180839, 190430, 356474, 361678, 891185, 904195, 1782370, 1808390, 24774943, 49549886, 123874715, 247749430]

約数ペア:

[(1, 247749430), (2, 123874715), (5, 49549886), (10, 24774943), (137, 1808390), (139, 1782370), (274, 904195), (278, 891185), (685, 361678), (695, 356474), (1301, 190430), (1370, 180839), (1390, 178237), (2602, 95215), (6505, 38086), (13010, 19043)]