87643978

素因数分解:

$2^1\times {\mathrm{41}}^2\times {\mathrm{131}}^1\times {\mathrm{199}}^1$

素因数の和:414

約数の個数: 24

約数和(自身を含む): 136461600

約数和(自身を除く): 48817622

約数列:

[1, 2, 41, 82, 131, 199, 262, 398, 1681, 3362, 5371, 8159, 10742, 16318, 26069, 52138, 220211, 334519, 440422, 669038, 1068829, 2137658, 43821989, 87643978]

約数ペア:

[(1, 87643978), (2, 43821989), (41, 2137658), (82, 1068829), (131, 669038), (199, 440422), (262, 334519), (398, 220211), (1681, 52138), (3362, 26069), (5371, 16318), (8159, 10742)]