28103610145

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{209987}}^1$

素因数の和:210105

約数の個数: 32

約数和(自身を含む): 38100222720

約数和(自身を除く): 9996612575

約数列:

[1, 5, 13, 29, 65, 71, 145, 355, 377, 923, 1885, 2059, 4615, 10295, 26767, 133835, 209987, 1049935, 2729831, 6089623, 13649155, 14909077, 30448115, 74545385, 79165099, 193818001, 395825495, 432363233, 969090005, 2161816165, 5620722029, 28103610145]

約数ペア:

[(1, 28103610145), (5, 5620722029), (13, 2161816165), (29, 969090005), (65, 432363233), (71, 395825495), (145, 193818001), (355, 79165099), (377, 74545385), (923, 30448115), (1885, 14909077), (2059, 13649155), (4615, 6089623), (10295, 2729831), (26767, 1049935), (133835, 209987)]