53211305

素因数分解:

$5^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:139

約数の個数: 64

約数和(自身を含む): 82944000

約数和(自身を除く): 29732695

約数列:

[1, 5, 7, 19, 23, 35, 49, 71, 95, 115, 133, 161, 245, 343, 355, 437, 497, 665, 805, 931, 1127, 1349, 1633, 1715, 2185, 2485, 3059, 3479, 4655, 5635, 6517, 6745, 7889, 8165, 9443, 11431, 15295, 17395, 21413, 24353, 31027, 32585, 39445, 47215, 57155, 66101, 80017, 107065, 121765, 149891, 155135, 217189, 330505, 400085, 462707, 560119, 749455, 1085945, 1520323, 2313535, 2800595, 7601615, 10642261, 53211305]

約数ペア:

[(1, 53211305), (5, 10642261), (7, 7601615), (19, 2800595), (23, 2313535), (35, 1520323), (49, 1085945), (71, 749455), (95, 560119), (115, 462707), (133, 400085), (161, 330505), (245, 217189), (343, 155135), (355, 149891), (437, 121765), (497, 107065), (665, 80017), (805, 66101), (931, 57155), (1127, 47215), (1349, 39445), (1633, 32585), (1715, 31027), (2185, 24353), (2485, 21413), (3059, 17395), (3479, 15295), (4655, 11431), (5635, 9443), (6517, 8165), (6745, 7889)]