403249990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{281993}}^1$

素因数の和:282024

約数の個数: 32

約数和(自身を含む): 852749856

約数和(自身を除く): 449499866

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 281993, 563986, 1409965, 2819930, 3101923, 3665909, 6203846, 7331818, 15509615, 18329545, 31019230, 36659090, 40324999, 80649998, 201624995, 403249990]

約数ペア:

[(1, 403249990), (2, 201624995), (5, 80649998), (10, 40324999), (11, 36659090), (13, 31019230), (22, 18329545), (26, 15509615), (55, 7331818), (65, 6203846), (110, 3665909), (130, 3101923), (143, 2819930), (286, 1409965), (715, 563986), (1430, 281993)]