25007255

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:156

約数の個数: 64

約数和(自身を含む): 40497408

約数和(自身を除く): 15490153

約数列:

[1, 5, 7, 13, 17, 35, 53, 61, 65, 85, 91, 119, 221, 265, 305, 371, 427, 455, 595, 689, 793, 901, 1037, 1105, 1547, 1855, 2135, 3233, 3445, 3965, 4505, 4823, 5185, 5551, 6307, 7259, 7735, 11713, 13481, 16165, 22631, 24115, 27755, 31535, 36295, 42029, 54961, 58565, 67405, 81991, 94367, 113155, 210145, 274805, 294203, 384727, 409955, 471835, 714493, 1471015, 1923635, 3572465, 5001451, 25007255]

約数ペア:

[(1, 25007255), (5, 5001451), (7, 3572465), (13, 1923635), (17, 1471015), (35, 714493), (53, 471835), (61, 409955), (65, 384727), (85, 294203), (91, 274805), (119, 210145), (221, 113155), (265, 94367), (305, 81991), (371, 67405), (427, 58565), (455, 54961), (595, 42029), (689, 36295), (793, 31535), (901, 27755), (1037, 24115), (1105, 22631), (1547, 16165), (1855, 13481), (2135, 11713), (3233, 7735), (3445, 7259), (3965, 6307), (4505, 5551), (4823, 5185)]