213037930

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{277}}^1\times {\mathrm{10987}}^1$

素因数の和:11278

約数の個数: 32

約数和(自身を含む): 439871616

約数和(自身を除く): 226833686

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 277, 554, 1385, 1939, 2770, 3878, 9695, 10987, 19390, 21974, 54935, 76909, 109870, 153818, 384545, 769090, 3043399, 6086798, 15216995, 21303793, 30433990, 42607586, 106518965, 213037930]

約数ペア:

[(1, 213037930), (2, 106518965), (5, 42607586), (7, 30433990), (10, 21303793), (14, 15216995), (35, 6086798), (70, 3043399), (277, 769090), (554, 384545), (1385, 153818), (1939, 109870), (2770, 76909), (3878, 54935), (9695, 21974), (10987, 19390)]