81983344

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{2467}}^1$

素因数の和:2573

約数の個数: 40

約数和(自身を含む): 166481408

約数和(自身を除く): 84498064

約数列:

[1, 2, 4, 8, 16, 31, 62, 67, 124, 134, 248, 268, 496, 536, 1072, 2077, 2467, 4154, 4934, 8308, 9868, 16616, 19736, 33232, 39472, 76477, 152954, 165289, 305908, 330578, 611816, 661156, 1223632, 1322312, 2644624, 5123959, 10247918, 20495836, 40991672, 81983344]

約数ペア:

[(1, 81983344), (2, 40991672), (4, 20495836), (8, 10247918), (16, 5123959), (31, 2644624), (62, 1322312), (67, 1223632), (124, 661156), (134, 611816), (248, 330578), (268, 305908), (496, 165289), (536, 152954), (1072, 76477), (2077, 39472), (2467, 33232), (4154, 19736), (4934, 16616), (8308, 9868)]