391383916

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{55249}}^1$

素因数の和:55294

約数の個数: 48

約数和(自身を含む): 891072000

約数和(自身を除く): 499688084

約数列:

[1, 2, 4, 7, 11, 14, 22, 23, 28, 44, 46, 77, 92, 154, 161, 253, 308, 322, 506, 644, 1012, 1771, 3542, 7084, 55249, 110498, 220996, 386743, 607739, 773486, 1215478, 1270727, 1546972, 2430956, 2541454, 4254173, 5082908, 8508346, 8895089, 13977997, 17016692, 17790178, 27955994, 35580356, 55911988, 97845979, 195691958, 391383916]

約数ペア:

[(1, 391383916), (2, 195691958), (4, 97845979), (7, 55911988), (11, 35580356), (14, 27955994), (22, 17790178), (23, 17016692), (28, 13977997), (44, 8895089), (46, 8508346), (77, 5082908), (92, 4254173), (154, 2541454), (161, 2430956), (253, 1546972), (308, 1270727), (322, 1215478), (506, 773486), (644, 607739), (1012, 386743), (1771, 220996), (3542, 110498), (7084, 55249)]