428405545

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1\times {\mathrm{251}}^1$

素因数の和:513

約数の個数: 32

約数和(自身を含む): 544320000

約数和(自身を除く): 115914455

約数列:

[1, 5, 29, 79, 145, 149, 251, 395, 745, 1255, 2291, 4321, 7279, 11455, 11771, 19829, 21605, 36395, 37399, 58855, 99145, 186995, 341359, 575041, 1084571, 1706795, 2875205, 2954521, 5422855, 14772605, 85681109, 428405545]

約数ペア:

[(1, 428405545), (5, 85681109), (29, 14772605), (79, 5422855), (145, 2954521), (149, 2875205), (251, 1706795), (395, 1084571), (745, 575041), (1255, 341359), (2291, 186995), (4321, 99145), (7279, 58855), (11455, 37399), (11771, 36395), (19829, 21605)]