8949890

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{263}}^1$

素因数の和:394

約数の個数: 32

約数和(自身を含む): 16765056

約数和(自身を除く): 7815166

約数列:

[1, 2, 5, 10, 41, 82, 83, 166, 205, 263, 410, 415, 526, 830, 1315, 2630, 3403, 6806, 10783, 17015, 21566, 21829, 34030, 43658, 53915, 107830, 109145, 218290, 894989, 1789978, 4474945, 8949890]

約数ペア:

[(1, 8949890), (2, 4474945), (5, 1789978), (10, 894989), (41, 218290), (82, 109145), (83, 107830), (166, 53915), (205, 43658), (263, 34030), (410, 21829), (415, 21566), (526, 17015), (830, 10783), (1315, 6806), (2630, 3403)]