247421668

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{34231}}^1$

素因数の和:34387

約数の個数: 24

約数和(自身を含む): 469663040

約数和(自身を除く): 222241372

約数列:

[1, 2, 4, 13, 26, 52, 139, 278, 556, 1807, 3614, 7228, 34231, 68462, 136924, 445003, 890006, 1780012, 4758109, 9516218, 19032436, 61855417, 123710834, 247421668]

約数ペア:

[(1, 247421668), (2, 123710834), (4, 61855417), (13, 19032436), (26, 9516218), (52, 4758109), (139, 1780012), (278, 890006), (556, 445003), (1807, 136924), (3614, 68462), (7228, 34231)]