17950855

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1$

素因数の和:243

約数の個数: 32

約数和(自身を含む): 24494400

約数和(自身を除く): 6543545

約数列:

[1, 5, 13, 29, 65, 89, 107, 145, 377, 445, 535, 1157, 1391, 1885, 2581, 3103, 5785, 6955, 9523, 12905, 15515, 33553, 40339, 47615, 123799, 167765, 201695, 276167, 618995, 1380835, 3590171, 17950855]

約数ペア:

[(1, 17950855), (5, 3590171), (13, 1380835), (29, 618995), (65, 276167), (89, 201695), (107, 167765), (145, 123799), (377, 47615), (445, 40339), (535, 33553), (1157, 15515), (1391, 12905), (1885, 9523), (2581, 6955), (3103, 5785)]