1286280290

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{136403}}^1$

素因数の和:136474

約数の個数: 32

約数和(自身を含む): 2474914176

約数和(自身を除く): 1188633886

約数列:

[1, 2, 5, 10, 23, 41, 46, 82, 115, 205, 230, 410, 943, 1886, 4715, 9430, 136403, 272806, 682015, 1364030, 3137269, 5592523, 6274538, 11185046, 15686345, 27962615, 31372690, 55925230, 128628029, 257256058, 643140145, 1286280290]

約数ペア:

[(1, 1286280290), (2, 643140145), (5, 257256058), (10, 128628029), (23, 55925230), (41, 31372690), (46, 27962615), (82, 15686345), (115, 11185046), (205, 6274538), (230, 5592523), (410, 3137269), (943, 1364030), (1886, 682015), (4715, 272806), (9430, 136403)]