8221213

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1$

素因数の和:265

約数の個数: 32

約数和(自身を含む): 11354112

約数和(自身を除く): 3132899

約数列:

[1, 7, 11, 13, 43, 77, 91, 143, 191, 301, 473, 559, 1001, 1337, 2101, 2483, 3311, 3913, 6149, 8213, 14707, 17381, 27313, 43043, 57491, 90343, 106769, 191191, 632401, 747383, 1174459, 8221213]

約数ペア:

[(1, 8221213), (7, 1174459), (11, 747383), (13, 632401), (43, 191191), (77, 106769), (91, 90343), (143, 57491), (191, 43043), (301, 27313), (473, 17381), (559, 14707), (1001, 8213), (1337, 6149), (2101, 3913), (2483, 3311)]