81341344

素因数分解:

$2^5\times 7^1\times {\mathrm{211}}^1\times {\mathrm{1721}}^1$

素因数の和:1949

約数の個数: 48

約数和(自身を含む): 183992256

約数和(自身を除く): 102650912

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 211, 224, 422, 844, 1477, 1688, 1721, 2954, 3376, 3442, 5908, 6752, 6884, 11816, 12047, 13768, 23632, 24094, 27536, 47264, 48188, 55072, 96376, 192752, 363131, 385504, 726262, 1452524, 2541917, 2905048, 5083834, 5810096, 10167668, 11620192, 20335336, 40670672, 81341344]

約数ペア:

[(1, 81341344), (2, 40670672), (4, 20335336), (7, 11620192), (8, 10167668), (14, 5810096), (16, 5083834), (28, 2905048), (32, 2541917), (56, 1452524), (112, 726262), (211, 385504), (224, 363131), (422, 192752), (844, 96376), (1477, 55072), (1688, 48188), (1721, 47264), (2954, 27536), (3376, 24094), (3442, 23632), (5908, 13768), (6752, 12047), (6884, 11816)]