123039742

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{2749}}^1$

素因数の和:2920

約数の個数: 32

約数和(自身を含む): 221760000

約数和(自身を除く): 98720258

約数列:

[1, 2, 7, 14, 23, 46, 139, 161, 278, 322, 973, 1946, 2749, 3197, 5498, 6394, 19243, 22379, 38486, 44758, 63227, 126454, 382111, 442589, 764222, 885178, 2674777, 5349554, 8788553, 17577106, 61519871, 123039742]

約数ペア:

[(1, 123039742), (2, 61519871), (7, 17577106), (14, 8788553), (23, 5349554), (46, 2674777), (139, 885178), (161, 764222), (278, 442589), (322, 382111), (973, 126454), (1946, 63227), (2749, 44758), (3197, 38486), (5498, 22379), (6394, 19243)]