248972395

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{307}}^1$

素因数の和:412

約数の個数: 64

約数和(自身を含む): 383201280

約数和(自身を除く): 134228885

約数列:

[1, 5, 7, 17, 29, 35, 47, 85, 119, 145, 203, 235, 307, 329, 493, 595, 799, 1015, 1363, 1535, 1645, 2149, 2465, 3451, 3995, 5219, 5593, 6815, 8903, 9541, 10745, 14429, 17255, 23171, 26095, 27965, 36533, 44515, 47705, 62321, 72145, 101003, 115855, 151351, 162197, 182665, 245293, 311605, 418441, 505015, 756755, 810985, 1059457, 1226465, 1717051, 2092205, 2929087, 5297285, 7113497, 8585255, 14645435, 35567485, 49794479, 248972395]

約数ペア:

[(1, 248972395), (5, 49794479), (7, 35567485), (17, 14645435), (29, 8585255), (35, 7113497), (47, 5297285), (85, 2929087), (119, 2092205), (145, 1717051), (203, 1226465), (235, 1059457), (307, 810985), (329, 756755), (493, 505015), (595, 418441), (799, 311605), (1015, 245293), (1363, 182665), (1535, 162197), (1645, 151351), (2149, 115855), (2465, 101003), (3451, 72145), (3995, 62321), (5219, 47705), (5593, 44515), (6815, 36533), (8903, 27965), (9541, 26095), (10745, 23171), (14429, 17255)]