678974725

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{739}}^1$

素因数の和:1030

約数の個数: 48

約数和(自身を含む): 994311360

約数和(自身を除く): 315336635

約数列:

[1, 5, 11, 13, 25, 55, 65, 143, 257, 275, 325, 715, 739, 1285, 2827, 3341, 3575, 3695, 6425, 8129, 9607, 14135, 16705, 18475, 36751, 40645, 48035, 70675, 83525, 105677, 183755, 189923, 203225, 240175, 528385, 918775, 949615, 2089153, 2468999, 2641925, 4748075, 10445765, 12344995, 27158989, 52228825, 61724975, 135794945, 678974725]

約数ペア:

[(1, 678974725), (5, 135794945), (11, 61724975), (13, 52228825), (25, 27158989), (55, 12344995), (65, 10445765), (143, 4748075), (257, 2641925), (275, 2468999), (325, 2089153), (715, 949615), (739, 918775), (1285, 528385), (2827, 240175), (3341, 203225), (3575, 189923), (3695, 183755), (6425, 105677), (8129, 83525), (9607, 70675), (14135, 48035), (16705, 40645), (18475, 36751)]