87120943

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{347}}^1$

素因数の和:487

約数の個数: 32

約数和(自身を含む): 112250880

約数和(自身を除く): 25129937

約数列:

[1, 7, 13, 31, 89, 91, 217, 347, 403, 623, 1157, 2429, 2759, 2821, 4511, 8099, 10757, 19313, 30883, 31577, 35867, 75299, 139841, 216181, 251069, 401479, 957373, 978887, 2810353, 6701611, 12445849, 87120943]

約数ペア:

[(1, 87120943), (7, 12445849), (13, 6701611), (31, 2810353), (89, 978887), (91, 957373), (217, 401479), (347, 251069), (403, 216181), (623, 139841), (1157, 75299), (2429, 35867), (2759, 31577), (2821, 30883), (4511, 19313), (8099, 10757)]