28009455265

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{661}}^1\times {\mathrm{857}}^1$

素因数の和:1594

約数の個数: 64

約数和(自身を含む): 39259883520

約数和(自身を除く): 11250428255

約数列:

[1, 5, 11, 29, 31, 55, 145, 155, 319, 341, 661, 857, 899, 1595, 1705, 3305, 4285, 4495, 7271, 9427, 9889, 19169, 20491, 24853, 26567, 36355, 47135, 49445, 95845, 102455, 124265, 132835, 210859, 225401, 273383, 292237, 566477, 594239, 770443, 1054295, 1127005, 1366915, 1461185, 2832385, 2971195, 3852215, 6231247, 6536629, 8474873, 16427833, 17560787, 31156235, 32683145, 42374365, 82139165, 87803935, 180706163, 193168657, 509262823, 903530815, 965843285, 2546314115, 5601891053, 28009455265]

約数ペア:

[(1, 28009455265), (5, 5601891053), (11, 2546314115), (29, 965843285), (31, 903530815), (55, 509262823), (145, 193168657), (155, 180706163), (319, 87803935), (341, 82139165), (661, 42374365), (857, 32683145), (899, 31156235), (1595, 17560787), (1705, 16427833), (3305, 8474873), (4285, 6536629), (4495, 6231247), (7271, 3852215), (9427, 2971195), (9889, 2832385), (19169, 1461185), (20491, 1366915), (24853, 1127005), (26567, 1054295), (36355, 770443), (47135, 594239), (49445, 566477), (95845, 292237), (102455, 273383), (124265, 225401), (132835, 210859)]