208367601

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{173}}^1\times {\mathrm{347}}^1$

素因数の和:625

約数の個数: 32

約数和(自身を含む): 305182080

約数和(自身を除く): 96814479

約数列:

[1, 3, 13, 39, 89, 173, 267, 347, 519, 1041, 1157, 2249, 3471, 4511, 6747, 13533, 15397, 30883, 46191, 60031, 92649, 180093, 200161, 401479, 600483, 780403, 1204437, 2341209, 5342759, 16028277, 69455867, 208367601]

約数ペア:

[(1, 208367601), (3, 69455867), (13, 16028277), (39, 5342759), (89, 2341209), (173, 1204437), (267, 780403), (347, 600483), (519, 401479), (1041, 200161), (1157, 180093), (2249, 92649), (3471, 60031), (4511, 46191), (6747, 30883), (13533, 15397)]