26306735

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1$

素因数の和:240

約数の個数: 64

約数和(自身を含む): 43545600

約数和(自身を除く): 17238865

約数列:

[1, 5, 7, 13, 17, 19, 35, 65, 85, 91, 95, 119, 133, 179, 221, 247, 323, 455, 595, 665, 895, 1105, 1235, 1253, 1547, 1615, 1729, 2261, 2327, 3043, 3401, 4199, 6265, 7735, 8645, 11305, 11635, 15215, 16289, 17005, 20995, 21301, 23807, 29393, 39559, 44213, 57817, 81445, 106505, 119035, 146965, 197795, 221065, 276913, 289085, 309491, 404719, 751621, 1384565, 1547455, 2023595, 3758105, 5261347, 26306735]

約数ペア:

[(1, 26306735), (5, 5261347), (7, 3758105), (13, 2023595), (17, 1547455), (19, 1384565), (35, 751621), (65, 404719), (85, 309491), (91, 289085), (95, 276913), (119, 221065), (133, 197795), (179, 146965), (221, 119035), (247, 106505), (323, 81445), (455, 57817), (595, 44213), (665, 39559), (895, 29393), (1105, 23807), (1235, 21301), (1253, 20995), (1547, 17005), (1615, 16289), (1729, 15215), (2261, 11635), (2327, 11305), (3043, 8645), (3401, 7735), (4199, 6265)]