81996144

素因数分解:

$2^4\times 3^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{337}}^1$

素因数の和:522

約数の個数: 80

約数和(自身を含む): 219786528

約数和(自身を除く): 137790384

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 37, 48, 74, 111, 137, 148, 222, 274, 296, 337, 411, 444, 548, 592, 674, 822, 888, 1011, 1096, 1348, 1644, 1776, 2022, 2192, 2696, 3288, 4044, 5069, 5392, 6576, 8088, 10138, 12469, 15207, 16176, 20276, 24938, 30414, 37407, 40552, 46169, 49876, 60828, 74814, 81104, 92338, 99752, 121656, 138507, 149628, 184676, 199504, 243312, 277014, 299256, 369352, 554028, 598512, 738704, 1108056, 1708253, 2216112, 3416506, 5124759, 6833012, 10249518, 13666024, 20499036, 27332048, 40998072, 81996144]

約数ペア:

[(1, 81996144), (2, 40998072), (3, 27332048), (4, 20499036), (6, 13666024), (8, 10249518), (12, 6833012), (16, 5124759), (24, 3416506), (37, 2216112), (48, 1708253), (74, 1108056), (111, 738704), (137, 598512), (148, 554028), (222, 369352), (274, 299256), (296, 277014), (337, 243312), (411, 199504), (444, 184676), (548, 149628), (592, 138507), (674, 121656), (822, 99752), (888, 92338), (1011, 81104), (1096, 74814), (1348, 60828), (1644, 49876), (1776, 46169), (2022, 40552), (2192, 37407), (2696, 30414), (3288, 24938), (4044, 20276), (5069, 16176), (5392, 15207), (6576, 12469), (8088, 10138)]