28875385

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{419}}^1$

素因数の和:621

約数の個数: 32

約数和(自身を含む): 43545600

約数和(自身を除く): 14670215

約数列:

[1, 5, 7, 11, 35, 55, 77, 179, 385, 419, 895, 1253, 1969, 2095, 2933, 4609, 6265, 9845, 13783, 14665, 23045, 32263, 68915, 75001, 161315, 375005, 525007, 825011, 2625035, 4125055, 5775077, 28875385]

約数ペア:

[(1, 28875385), (5, 5775077), (7, 4125055), (11, 2625035), (35, 825011), (55, 525007), (77, 375005), (179, 161315), (385, 75001), (419, 68915), (895, 32263), (1253, 23045), (1969, 14665), (2095, 13783), (2933, 9845), (4609, 6265)]