65813072

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{797}}^1$

素因数の和:1215

約数の個数: 40

約数和(自身を含む): 137840136

約数和(自身を除く): 72027064

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 397, 794, 797, 1588, 1594, 3176, 3188, 5161, 6352, 6376, 10322, 10361, 12752, 20644, 20722, 41288, 41444, 82576, 82888, 165776, 316409, 632818, 1265636, 2531272, 4113317, 5062544, 8226634, 16453268, 32906536, 65813072]

約数ペア:

[(1, 65813072), (2, 32906536), (4, 16453268), (8, 8226634), (13, 5062544), (16, 4113317), (26, 2531272), (52, 1265636), (104, 632818), (208, 316409), (397, 165776), (794, 82888), (797, 82576), (1588, 41444), (1594, 41288), (3176, 20722), (3188, 20644), (5161, 12752), (6352, 10361), (6376, 10322)]