7640738

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{389}}^1$

素因数の和:482

約数の個数: 32

約数和(自身を含む): 13927680

約数和(自身を除く): 6286942

約数列:

[1, 2, 7, 14, 23, 46, 61, 122, 161, 322, 389, 427, 778, 854, 1403, 2723, 2806, 5446, 8947, 9821, 17894, 19642, 23729, 47458, 62629, 125258, 166103, 332206, 545767, 1091534, 3820369, 7640738]

約数ペア:

[(1, 7640738), (2, 3820369), (7, 1091534), (14, 545767), (23, 332206), (46, 166103), (61, 125258), (122, 62629), (161, 47458), (322, 23729), (389, 19642), (427, 17894), (778, 9821), (854, 8947), (1403, 5446), (2723, 2806)]