81679312

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1231}}^1$

素因数の和:1292

約数の個数: 80

約数和(自身を含む): 192487680

約数和(自身を除く): 110808368

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 29, 44, 52, 58, 88, 104, 116, 143, 176, 208, 232, 286, 319, 377, 464, 572, 638, 754, 1144, 1231, 1276, 1508, 2288, 2462, 2552, 3016, 4147, 4924, 5104, 6032, 8294, 9848, 13541, 16003, 16588, 19696, 27082, 32006, 33176, 35699, 54164, 64012, 66352, 71398, 108328, 128024, 142796, 176033, 216656, 256048, 285592, 352066, 392689, 464087, 571184, 704132, 785378, 928174, 1408264, 1570756, 1856348, 2816528, 3141512, 3712696, 5104957, 6283024, 7425392, 10209914, 20419828, 40839656, 81679312]

約数ペア:

[(1, 81679312), (2, 40839656), (4, 20419828), (8, 10209914), (11, 7425392), (13, 6283024), (16, 5104957), (22, 3712696), (26, 3141512), (29, 2816528), (44, 1856348), (52, 1570756), (58, 1408264), (88, 928174), (104, 785378), (116, 704132), (143, 571184), (176, 464087), (208, 392689), (232, 352066), (286, 285592), (319, 256048), (377, 216656), (464, 176033), (572, 142796), (638, 128024), (754, 108328), (1144, 71398), (1231, 66352), (1276, 64012), (1508, 54164), (2288, 35699), (2462, 33176), (2552, 32006), (3016, 27082), (4147, 19696), (4924, 16588), (5104, 16003), (6032, 13541), (8294, 9848)]