77565475

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{139}}^1$

素因数の和:280

約数の個数: 48

約数和(自身を含む): 111555360

約数和(自身を除く): 33989885

約数列:

[1, 5, 13, 17, 25, 65, 85, 101, 139, 221, 325, 425, 505, 695, 1105, 1313, 1717, 1807, 2363, 2525, 3475, 5525, 6565, 8585, 9035, 11815, 14039, 22321, 30719, 32825, 42925, 45175, 59075, 70195, 111605, 153595, 182507, 238663, 350975, 558025, 767975, 912535, 1193315, 3102619, 4562675, 5966575, 15513095, 77565475]

約数ペア:

[(1, 77565475), (5, 15513095), (13, 5966575), (17, 4562675), (25, 3102619), (65, 1193315), (85, 912535), (101, 767975), (139, 558025), (221, 350975), (325, 238663), (425, 182507), (505, 153595), (695, 111605), (1105, 70195), (1313, 59075), (1717, 45175), (1807, 42925), (2363, 32825), (2525, 30719), (3475, 22321), (5525, 14039), (6565, 11815), (8585, 9035)]