8247995

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1$

素因数の和:267

約数の個数: 32

約数和(自身を含む): 12134400

約数和(自身を除く): 3886405

約数列:

[1, 5, 7, 19, 35, 79, 95, 133, 157, 395, 553, 665, 785, 1099, 1501, 2765, 2983, 5495, 7505, 10507, 12403, 14915, 20881, 52535, 62015, 86821, 104405, 235657, 434105, 1178285, 1649599, 8247995]

約数ペア:

[(1, 8247995), (5, 1649599), (7, 1178285), (19, 434105), (35, 235657), (79, 104405), (95, 86821), (133, 62015), (157, 52535), (395, 20881), (553, 14915), (665, 12403), (785, 10507), (1099, 7505), (1501, 5495), (2765, 2983)]