248618615

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^2\times {\mathrm{83}}^1$

素因数の和:240

約数の個数: 48

約数和(自身を含む): 366073344

約数和(自身を除く): 117454729

約数列:

[1, 5, 7, 23, 35, 61, 83, 115, 161, 305, 415, 427, 581, 805, 1403, 1909, 2135, 2905, 3721, 5063, 7015, 9545, 9821, 13363, 18605, 25315, 26047, 35441, 49105, 66815, 85583, 116449, 130235, 177205, 308843, 427915, 582245, 599081, 815143, 1544215, 2161901, 2995405, 4075715, 7103389, 10809505, 35516945, 49723723, 248618615]

約数ペア:

[(1, 248618615), (5, 49723723), (7, 35516945), (23, 10809505), (35, 7103389), (61, 4075715), (83, 2995405), (115, 2161901), (161, 1544215), (305, 815143), (415, 599081), (427, 582245), (581, 427915), (805, 308843), (1403, 177205), (1909, 130235), (2135, 116449), (2905, 85583), (3721, 66815), (5063, 49105), (7015, 35441), (9545, 26047), (9821, 25315), (13363, 18605)]