261310084

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{2039}}^1$

素因数の和:2272

約数の個数: 48

約数和(自身を含む): 548352000

約数和(自身を除く): 287041916

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 199, 322, 398, 644, 796, 1393, 2039, 2786, 4078, 4577, 5572, 8156, 9154, 14273, 18308, 28546, 32039, 46897, 57092, 64078, 93794, 128156, 187588, 328279, 405761, 656558, 811522, 1313116, 1623044, 2840327, 5680654, 9332503, 11361308, 18665006, 37330012, 65327521, 130655042, 261310084]

約数ペア:

[(1, 261310084), (2, 130655042), (4, 65327521), (7, 37330012), (14, 18665006), (23, 11361308), (28, 9332503), (46, 5680654), (92, 2840327), (161, 1623044), (199, 1313116), (322, 811522), (398, 656558), (644, 405761), (796, 328279), (1393, 187588), (2039, 128156), (2786, 93794), (4078, 64078), (4577, 57092), (5572, 46897), (8156, 32039), (9154, 28546), (14273, 18308)]