25719369

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{569}}^1$

素因数の和:665

約数の個数: 32

約数和(自身を含む): 39580800

約数和(自身を除く): 13861431

約数列:

[1, 3, 13, 19, 39, 57, 61, 183, 247, 569, 741, 793, 1159, 1707, 2379, 3477, 7397, 10811, 15067, 22191, 32433, 34709, 45201, 104127, 140543, 421629, 451217, 659471, 1353651, 1978413, 8573123, 25719369]

約数ペア:

[(1, 25719369), (3, 8573123), (13, 1978413), (19, 1353651), (39, 659471), (57, 451217), (61, 421629), (183, 140543), (247, 104127), (569, 45201), (741, 34709), (793, 32433), (1159, 22191), (1707, 15067), (2379, 10811), (3477, 7397)]