72578716

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1\times {\mathrm{421}}^1$

素因数の和:610

約数の個数: 48

約数和(自身を含む): 149732352

約数和(自身を除く): 77153636

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 131, 188, 262, 329, 421, 524, 658, 842, 917, 1316, 1684, 1834, 2947, 3668, 5894, 6157, 11788, 12314, 19787, 24628, 39574, 43099, 55151, 79148, 86198, 110302, 138509, 172396, 220604, 277018, 386057, 554036, 772114, 1544228, 2592097, 5184194, 10368388, 18144679, 36289358, 72578716]

約数ペア:

[(1, 72578716), (2, 36289358), (4, 18144679), (7, 10368388), (14, 5184194), (28, 2592097), (47, 1544228), (94, 772114), (131, 554036), (188, 386057), (262, 277018), (329, 220604), (421, 172396), (524, 138509), (658, 110302), (842, 86198), (917, 79148), (1316, 55151), (1684, 43099), (1834, 39574), (2947, 24628), (3668, 19787), (5894, 12314), (6157, 11788)]