28808217025

素因数分解:

$5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{90599}}^1$

素因数の和:90718

約数の個数: 48

約数和(自身を含む): 43140096000

約数和(自身を除く): 14331878975

約数列:

[1, 5, 7, 23, 25, 35, 79, 115, 161, 175, 395, 553, 575, 805, 1817, 1975, 2765, 4025, 9085, 12719, 13825, 45425, 63595, 90599, 317975, 452995, 634193, 2083777, 2264975, 3170965, 7157321, 10418885, 14586439, 15854825, 35786605, 50101247, 52094425, 72932195, 164618383, 178933025, 250506235, 364660975, 823091915, 1152328681, 1252531175, 4115459575, 5761643405, 28808217025]

約数ペア:

[(1, 28808217025), (5, 5761643405), (7, 4115459575), (23, 1252531175), (25, 1152328681), (35, 823091915), (79, 364660975), (115, 250506235), (161, 178933025), (175, 164618383), (395, 72932195), (553, 52094425), (575, 50101247), (805, 35786605), (1817, 15854825), (1975, 14586439), (2765, 10418885), (4025, 7157321), (9085, 3170965), (12719, 2264975), (13825, 2083777), (45425, 634193), (63595, 452995), (90599, 317975)]