278316882

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{547}}^1\times {\mathrm{1229}}^1$

素因数の和:1807

約数の個数: 48

約数和(自身を含む): 630901440

約数和(自身を除く): 352584558

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 207, 414, 547, 1094, 1229, 1641, 2458, 3282, 3687, 4923, 7374, 9846, 11061, 12581, 22122, 25162, 28267, 37743, 56534, 75486, 84801, 113229, 169602, 226458, 254403, 508806, 672263, 1344526, 2016789, 4033578, 6050367, 12100734, 15462049, 30924098, 46386147, 92772294, 139158441, 278316882]

約数ペア:

[(1, 278316882), (2, 139158441), (3, 92772294), (6, 46386147), (9, 30924098), (18, 15462049), (23, 12100734), (46, 6050367), (69, 4033578), (138, 2016789), (207, 1344526), (414, 672263), (547, 508806), (1094, 254403), (1229, 226458), (1641, 169602), (2458, 113229), (3282, 84801), (3687, 75486), (4923, 56534), (7374, 37743), (9846, 28267), (11061, 25162), (12581, 22122)]