251330351984

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{281}}^1\times {\mathrm{142969}}^1$

素因数の和:143298

約数の個数: 80

約数和(自身を含む): 539932495680

約数和(自身を除く): 288602143696

約数列:

[1, 2, 4, 8, 16, 17, 23, 34, 46, 68, 92, 136, 184, 272, 281, 368, 391, 562, 782, 1124, 1564, 2248, 3128, 4496, 4777, 6256, 6463, 9554, 12926, 19108, 25852, 38216, 51704, 76432, 103408, 109871, 142969, 219742, 285938, 439484, 571876, 878968, 1143752, 1757936, 2287504, 2430473, 3288287, 4860946, 6576574, 9721892, 13153148, 19443784, 26306296, 38887568, 40174289, 52612592, 55900879, 80348578, 111801758, 160697156, 223603516, 321394312, 447207032, 642788624, 682962913, 894414064, 924008647, 1365925826, 1848017294, 2731851652, 3696034588, 5463703304, 7392069176, 10927406608, 14784138352, 15708146999, 31416293998, 62832587996, 125665175992, 251330351984]

約数ペア:

[(1, 251330351984), (2, 125665175992), (4, 62832587996), (8, 31416293998), (16, 15708146999), (17, 14784138352), (23, 10927406608), (34, 7392069176), (46, 5463703304), (68, 3696034588), (92, 2731851652), (136, 1848017294), (184, 1365925826), (272, 924008647), (281, 894414064), (368, 682962913), (391, 642788624), (562, 447207032), (782, 321394312), (1124, 223603516), (1564, 160697156), (2248, 111801758), (3128, 80348578), (4496, 55900879), (4777, 52612592), (6256, 40174289), (6463, 38887568), (9554, 26306296), (12926, 19443784), (19108, 13153148), (25852, 9721892), (38216, 6576574), (51704, 4860946), (76432, 3288287), (103408, 2430473), (109871, 2287504), (142969, 1757936), (219742, 1143752), (285938, 878968), (439484, 571876)]