1278128930

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{65111}}^1$

素因数の和:65282

約数の個数: 32

約数和(自身を含む): 2494050048

約数和(自身を除く): 1215921118

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 151, 302, 755, 1510, 1963, 3926, 9815, 19630, 65111, 130222, 325555, 651110, 846443, 1692886, 4232215, 8464430, 9831761, 19663522, 49158805, 98317610, 127812893, 255625786, 639064465, 1278128930]

約数ペア:

[(1, 1278128930), (2, 639064465), (5, 255625786), (10, 127812893), (13, 98317610), (26, 49158805), (65, 19663522), (130, 9831761), (151, 8464430), (302, 4232215), (755, 1692886), (1510, 846443), (1963, 651110), (3926, 325555), (9815, 130222), (19630, 65111)]