490015006

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{211}}^1\times {\mathrm{499}}^1$

素因数の和:904

約数の個数: 32

約数和(自身を含む): 801360000

約数和(自身を除く): 311344994

約数列:

[1, 2, 13, 26, 179, 211, 358, 422, 499, 998, 2327, 2743, 4654, 5486, 6487, 12974, 37769, 75538, 89321, 105289, 178642, 210578, 490997, 981994, 1161173, 1368757, 2322346, 2737514, 18846731, 37693462, 245007503, 490015006]

約数ペア:

[(1, 490015006), (2, 245007503), (13, 37693462), (26, 18846731), (179, 2737514), (211, 2322346), (358, 1368757), (422, 1161173), (499, 981994), (998, 490997), (2327, 210578), (2743, 178642), (4654, 105289), (5486, 89321), (6487, 75538), (12974, 37769)]