212780.00000000

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1\times {\mathrm{431}}^1$

素因数の和:654

約数の個数: 32

約数和(自身を含む): 47775744

約数和(自身を除く): 21268382

約数列:

[1, 2, 7, 14, 23, 46, 161, 191, 322, 382, 431, 862, 1337, 2674, 3017, 4393, 6034, 8786, 9913, 19826, 30751, 61502, 69391, 82321, 138782, 164642, 576247, 1152494, 1893383, 3786766, 13253681, 26507362]

約数ペア:

[(1, 26507362), (2, 13253681), (7, 3786766), (14, 1893383), (23, 1152494), (46, 576247), (161, 164642), (191, 138782), (322, 82321), (382, 69391), (431, 61502), (862, 30751), (1337, 19826), (2674, 9913), (3017, 8786), (4393, 6034)]