20131121465

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1427233}}^1$

素因数の和:1427289

約数の個数: 32

約数和(自身を含む): 30691239936

約数和(自身を除く): 10560118471

約数列:

[1, 5, 7, 13, 31, 35, 65, 91, 155, 217, 403, 455, 1085, 2015, 2821, 14105, 1427233, 7136165, 9990631, 18554029, 44244223, 49953155, 92770145, 129878203, 221221115, 309709561, 575174899, 649391015, 1548547805, 2875874495, 4026224293, 20131121465]

約数ペア:

[(1, 20131121465), (5, 4026224293), (7, 2875874495), (13, 1548547805), (31, 649391015), (35, 575174899), (65, 309709561), (91, 221221115), (155, 129878203), (217, 92770145), (403, 49953155), (455, 44244223), (1085, 18554029), (2015, 9990631), (2821, 7136165), (14105, 1427233)]