25114551

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1$

素因数の和:236

約数の個数: 64

約数和(自身を含む): 45342720

約数和(自身を除く): 20228169

約数列:

[1, 3, 7, 11, 21, 23, 29, 33, 69, 77, 87, 161, 163, 203, 231, 253, 319, 483, 489, 609, 667, 759, 957, 1141, 1771, 1793, 2001, 2233, 3423, 3749, 4669, 4727, 5313, 5379, 6699, 7337, 11247, 12551, 14007, 14181, 22011, 26243, 33089, 37653, 41239, 51359, 51997, 78729, 99267, 108721, 123717, 154077, 155991, 288673, 326163, 363979, 761047, 866019, 1091937, 1195931, 2283141, 3587793, 8371517, 25114551]

約数ペア:

[(1, 25114551), (3, 8371517), (7, 3587793), (11, 2283141), (21, 1195931), (23, 1091937), (29, 866019), (33, 761047), (69, 363979), (77, 326163), (87, 288673), (161, 155991), (163, 154077), (203, 123717), (231, 108721), (253, 99267), (319, 78729), (483, 51997), (489, 51359), (609, 41239), (667, 37653), (759, 33089), (957, 26243), (1141, 22011), (1771, 14181), (1793, 14007), (2001, 12551), (2233, 11247), (3423, 7337), (3749, 6699), (4669, 5379), (4727, 5313)]