25681305

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:226

約数の個数: 64

約数和(自身を含む): 47996928

約数和(自身を除く): 22315623

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 61, 65, 85, 127, 183, 195, 221, 255, 305, 381, 635, 663, 793, 915, 1037, 1105, 1651, 1905, 2159, 2379, 3111, 3315, 3965, 4953, 5185, 6477, 7747, 8255, 10795, 11895, 13481, 15555, 23241, 24765, 28067, 32385, 38735, 40443, 67405, 84201, 100711, 116205, 131699, 140335, 202215, 302133, 395097, 421005, 503555, 658495, 1510665, 1712087, 1975485, 5136261, 8560435, 25681305]

約数ペア:

[(1, 25681305), (3, 8560435), (5, 5136261), (13, 1975485), (15, 1712087), (17, 1510665), (39, 658495), (51, 503555), (61, 421005), (65, 395097), (85, 302133), (127, 202215), (183, 140335), (195, 131699), (221, 116205), (255, 100711), (305, 84201), (381, 67405), (635, 40443), (663, 38735), (793, 32385), (915, 28067), (1037, 24765), (1105, 23241), (1651, 15555), (1905, 13481), (2159, 11895), (2379, 10795), (3111, 8255), (3315, 7747), (3965, 6477), (4953, 5185)]