25252539

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{643}}^1$

素因数の和:731

約数の個数: 32

約数和(自身を含む): 38949120

約数和(自身を除く): 13696581

約数列:

[1, 3, 13, 19, 39, 53, 57, 159, 247, 643, 689, 741, 1007, 1929, 2067, 3021, 8359, 12217, 13091, 25077, 34079, 36651, 39273, 102237, 158821, 443027, 476463, 647501, 1329081, 1942503, 8417513, 25252539]

約数ペア:

[(1, 25252539), (3, 8417513), (13, 1942503), (19, 1329081), (39, 647501), (53, 476463), (57, 443027), (159, 158821), (247, 102237), (643, 39273), (689, 36651), (741, 34079), (1007, 25077), (1929, 13091), (2067, 12217), (3021, 8359)]